PickSmartly Review

Best Comcast Modems in 2026

9.9 PM Score
Products Evaluated
57
Reviews Analyzed
201,634
Brands Ranked
10
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If you are a Comcast Xfinity customer, you have likely realized that while renting a gateway from your ISP is convenient, it is often one of the most significant hidden costs in your monthly internet budget. Transitioning to your own modem is a strategic move to reclaim control over your hardware and, more importantly, your network performance. However, you cannot simply grab any cable modem off a shelf and expect it to work. Because Comcast utilizes specific DOCSIS standards and varying tier speeds, selecting the wrong device can result in frequent disconnects, sluggish upload speeds, or a complete inability to register the device on their network.

Editor's Choice

Our Top Picks for Comcast Modems

The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.

ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | Two 1 Gbps Ports | 1 Gbps Max Internet S...

ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem

4.5 (16,948 ratings)
ARRIS SB8200 5.00 X 2.00 X 5.00 Inches

Reviews for ARRIS (PM Score)

9.9 PM Score
Buy on Amazon
  • A Trusted Name in Home Connectivity: Better connectivity, better speed. The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem is designed to bring you superior connectivity, increase your network capability and provide faster streaming and downloading throughout your home. From a trusted brand with over 260 million modems sold and growing.
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.
  • Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better security, reduces lag while gaming & enables multi-gig networking (ability to run fast speeds on your copper cable from your internet provider).
  • Simple and Secure Set-up: Plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Connect to a Wi-Fi router for networking.
  • Compatibility: The SURFboard SB8200 is compatible with major U.S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity (Blast!/Extreme Pro) and others. It's approved for cable internet speed plans up to 1-Gbps. Check your Internet Service Provider (ISP) website to confirm compatibility.
  • What's in the Box: When you purchase you will get an ARRIS SURFboard SB8200 Cable Modem, Power Supply, Quick-Start guide, and 2-year warranty card.
  • Ethernet Ports: Has two 1-Gigabit ethernet ports to connect to a Wi-Fi router or other wired device.
  • Dedicated Customer Support: Live Chat and Phone Support available 8am -1am EST.
  • Warranty Provided by ARRIS: Product ships with 2-Year Limited Warranty.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most people view their internet connection as a mysterious utility, but the real bottleneck is often the hardware you're renting from your provider. The ARRIS SURFboard SB8200 changes that dynamic by putting high-end DOCSIS 3.1 technology directly in your hands. By utilizing four OFDM channels, this modem is built to handle the heavy lifting of 1 Gbps speeds, making it a powerhouse for lag-free gaming and seamless multi-device streaming. I love that it features two 1-Gigabit Ethernet ports for stable wired connections, and the setup process is surprisingly painless via the SURFboard Central App. Beyond the technical boost, owning this device is a smart financial move that can shave significant rental fees off your monthly cable bill.

What We Like
DOCSIS 3.1 technology
Dual Gigabit ports
Supports 1 Gbps speeds
Reduces gaming lag
Simple app setup

Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox, and Spectrum | for Cable Plans Up to 900 Mbps | DOCSIS 3....

Motorola MB7621 DOCSIS 3.0 Cable Modem

4.4 (27,118 ratings)
MOTOROLA MB7621-10 7.25 X 2.25 X 7.88 Inches 0.07 Pounds

Reviews for MOTOROLA (PM Score)

9.9 PM Score
Buy on Amazon
  • Model MB7621 is recommended for actual cable Internet service speeds up to 650 Mbps. Wirecutter rates this “the best modem for most people.” A Full-Band Capture Digital Tuner ensures faster, more reliable Internet.
  • This cable modem's 1 Gigabit Ethernet port connects to a WiFi router, computer, HDTV, game station, or streaming video device. Great for use with Whole Home WiFi or Mesh networks like eero, Google WiFi, and Orbi. (This cable modem does not have a built-in wireless router or telephone call capability. The Motorola MG7315, MG7540, MG7550, and MG7700 have a built-in wireless router.)
  • Requires cable Internet service.Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, BrightHouse, CableOne, SuddenLink, RCN, and other cable service providers. Eliminate cable modem rental fees up to 156 dollars per year. (Savings are shown for Xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MB7621 has no phone jack.)
  • Setup is fast and easy using the quick start guide.
  • Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A 2-year warranty plus rugged lightning and power surge circuits protect your investment.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MTRLC LLC 9.86 Yes Yes Yes

Stop throwing away over a hundred dollars a year on rental fees and just buy this modem. The Motorola MB7621 is the gold standard for anyone looking to stabilize their home internet without breaking the bank. While it handles cable plans up to 900 Mbps, it really shines for users seeking reliable speeds up to 650 Mbps. I love how the compact design doesn't just save desk space but actually helps with cooling to extend the device's lifespan. It pairs perfectly with mesh systems like eero or Google WiFi via the Gigabit Ethernet port, making it a seamless backbone for your home network. With its built-in surge protection and Full-Band Capture Digital Tuner, you are getting a professional-grade connection that is easy to set up and even easier to justify through long-term savings.

What We Like
Fast digital tuner
Gigabit Ethernet port
Compact cooling design
Built-in surge protection
Easy setup

NETGEAR Cable Modem CM500 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 400Mbps | DOCSIS 3...

NETGEAR CM500 DOCSIS 3.0 Cable Modem

NETGEAR CM500-1AZNAS 4.88 X 7.28 X 2.36 Inches 1.46 Pounds

Reviews for NETGEAR (PM Score)

9.9 PM Score
Buy on Amazon
  • Save monthly rental fees: Model CM500 replaces your cable modem, saving you up to $168/yr in equipment rental fees.
  • Speeds by carrier: Spectrum (up to 400Mbps), Xfinity (up to 200Mbps), Cox (up to 150Mbps).
  • Works with any wifi router: Connect any WiFi router to this modem's Ethernet port to support all your wireless devices.
  • Ethernet connections: 1 Gigabit Ethernet port connects to your computer or separate WiFi router.
  • Modem technology: Engineered with 16x4 channel bonding and DOCSIS 3.0.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
edco 5.08 Yes Yes Yes

You might wonder if a budget-friendly modem can actually handle your home internet needs without constant drops, but the NETGEAR CM500 is a surprisingly efficient way to cut ties with expensive service provider rentals. I found that by switching to this device, you can effectively stop paying those monthly equipment fees that add every year. It utilizes 16x4 channel bonding and DOCSIS 3.0 technology to deliver reliable speeds, specifically supporting up to 400Mbps on Spectrum, 200Mbps on Xfinity, or 150Mbps on Cox. The setup is straightforward since you just plug your preferred WiFi router into the single Gigabit Ethernet port to get your whole house online. It is a practical, no-nonsense solution for anyone looking to simplify their connectivity while saving money.

What We Like
Saves rental fees
DOCSIS 3.0 technology
16x4 channel bonding
Gigabit Ethernet port
Router compatible

NETGEAR Cable Modem Wi-Fi Router Combo C6250 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to...

NETGEAR C6250 AC1600 Cable Modem and Wi-Fi Router Combo

NETGEAR C6250-1AZNAS 7.79 X 2.52 X 7.68 Inches 1.20 Pounds

Reviews for NETGEAR (PM Score)

9.9 PM Score
Buy on Amazon
  • COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
  • SAVE MONTHLY RENTAL FEES: Model C6250 replaces your cable modem and WiFi router saving you up to 168 dollars/yr in equipment rental fees.
  • SPEEDS BY CARRIER: Spectrum (up to 300Mbps), Xfinity (up to 200Mbps), Cox (up to 150Mbps).
  • FAST WiFi PERFORMANCE: Get up to 1500 sq ft wireless coverage and 25 devices connected with AC1600 speed (up to 1600 Mbps).
  • VERSATILE CONNECTIONS: 2 Gigabit Ethernet ports and 1 USB port give you fast wired connections to your computer, printer, game box, storage drive, and other devices.
  • MODEM TECHNOLOGY: Engineered with 16x4 channel bonding and DOCSIS 3.0.
  • SAFE & SECURE: Includes parental controls, and supports WEP and WPA/WPA2 wireless security protocols.
  • The List of supported "Internet Service Providers" is available in the "Compatibility Guide" under "Product guides and documents" Section
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CTS Warehouse 9.73 No No No

Monthly equipment rental fees can bleed your bank account dry over time, but this NETGEAR combo offers a decisive way to reclaim that lost cash. By merging your modem and router into a single DOCSIS 3.0 device, you eliminate the need for separate hardware and those annoying service provider surcharges. I found the AC1600 speeds and 16x4 channel bonding to be a solid fit for standard cable plans, providing reliable coverage for up to 25 devices across a 1500 square foot area. It is a streamlined setup that includes two Gigabit Ethernet ports and a USB port for wired peripherals. Just ensure you are on a cable provider like Xfinity or Spectrum, as this unit won't work with DSL or fiber-based services.

What We Like
Saves rental fees
AC1600 Wi-Fi speeds
1500 sq ft coverage
Two Gigabit ports
DOCSIS 3.0 technology

ARRIS SURFboard SBG10 DOCSIS 3.0 16 x 4 Gigabit Cable Modem & AC1600 Wi-Fi Router | Comcast Xfinity, Cox, Spectrum | Two 1 Gbps Ports | 400 Mbps Max I...

ARRIS SURFboard SBG10 Cable Modem and Wi-Fi Router

ARRIS SBG10 6.77 X 1.97 X 6.58 Inches 1.96 Pounds

Reviews for ARRIS (PM Score)

9.9 PM Score
Buy on Amazon
  • A Trusted Name in Home Connectivity: Get high speeds, better coverage, and a two-in-one product! With the ARRIS SURFboard SBG10 Wi-Fi Cable Modem, you will increase your network capability and get fast streaming and downloading throughout your home. From a trusted brand with over 260 million modems sold and growing.
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.
  • Modem Technology: DOCSIS 3.0 is a reliable, broadly available, and affordable technology that delivers high speed internet to your home devices.
  • Simple and Secure Set-up: Just plug-in, download the SURFboard Central App, and follow the step-by-step intrstuctions to activate the modem, set-up and customize your Wi-Fi network, and add devices to your home network! Once setup is complete, the app provides real-time monitoring of the devices on your network, enhanced parental controls like setting time limits and pausing internet and much more.
  • Compatibility: The SURFboard SBG10 is compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others. It's approved for cable internet speed plans up to 400 Mbps. Check your Internet Service Provider (ISP) website to confirm compatibility.
  • What's in the Box: When you purchase you will get an ARRIS SURFboard SBG10 Cable Modem, Power Supply, Quick-Start guide, and 2-year warranty card.
  • Router Technology: Features two 1-Gigabit ethernet ports and delivers Wi-Fi 5 speeds up to 1.6 Gbps (1600 Mbps).
  • Dedicated Customer Support: Live Chat and Phone Support available 8am -1am EST.
  • Warranty Provided by ARRIS: Product ships with 2-Year Limited Warranty.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Your monthly cable bill just took a massive hit after you swapped out that clunky, rented gateway for this ARRIS SURFboard SBG10. I found that replacing rental hardware with this two-in-one unit can save you annually, which is a huge win for any budget-conscious household. Setting it up felt surprisingly seamless. I just plugged it in and used the SURFboard Central App to walk through the activation and Wi-Fi customization. With DOCSIS 3.0 technology and AC1600 Wi-Fi speeds, it handles streaming and downloading smoothly for plans up to 400 Mbps. The two Gigabit ethernet ports are perfect for hardwiring a gaming console or desktop, and the app's parental controls give you real peace of mind when managing kids' screen time.

What We Like
Two-in-one design
Saves rental fees
App-based setup
Gigabit ethernet ports
Parental control features

Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 800 Mbps | DOCSIS 3.0...

Motorola MG7700 DOCSIS 3.0 Modem and AC1900 WiFi Router

MOTOROLA MG7700-10 8.60 X 2.60 X 9.00 Inches 1.50 Pounds

Reviews for MOTOROLA (PM Score)

9.9 PM Score
Buy on Amazon
  • Fast 24x8 DOCSIS 3.0 cable Modem Plus a built-in AC1900 Dual band (2.4GHz and 5GHz) Wi-Fi Gigabit Router with four Gigabit (GigE) Ethernet ports, power boost Wi-Fi amplifiers, firewall security, and more. The maximum modem speed is 1000 Mbps, supporting service speeds up to 650.
  • Eliminate up to 156 dollars per year in cable Modem rental fees. (Savings are shown for Comcast Xfinity and vary by cable service provider.) certified by all leading cable service providers including Comcast Xfinity, Cox, Charter spectrum (no cable Modem is compatible with fiber optic, DSL, or satellite services, available from Verizon, AT&T, CenturyLink, Frontier, and others.)
  • Built-in high-speed router with AC1900 wireless and Power boost - Provides internet access for Wi-Fi devices including smartphones, notebooks, tablets, and more. 4 10/100/1000 Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers and other Ethernet-capable devices. A Broadcom cable Modem Chipset provides security from denial of service attacks.
  • Wireless power boost for better speed and range - Adds high-performance Wi-Fi power amplifiers to boost the wireless signals to the legal limit, giving a significant Boost in speed and range. In addition, anybeam Performing at both 2.4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MTRLC LLC 9.86 Yes Yes Yes

The Motorola MG7700 eliminates monthly rental fees while delivering a massive boost to your home wireless coverage. This all-in-one combo replaces both your standalone modem and router, making it a streamlined choice for anyone on cable plans up to 800 Mbps. I was particularly impressed by the Power Boost technology, which uses high-performance amplifiers and beamforming to push the signal further across both 2.4GHz and 5GHz bands. With four Gigabit Ethernet ports, you can easily hardwire your desktop or gaming console for maximum stability. It is specifically certified for major providers like Comcast Xfinity, Cox, and Spectrum, ensuring a much smoother setup process than generic hardware. It is a smart, cost-effective way to take control of your home network infrastructure.

What We Like
Integrated AC1900 WiFi
Power boost amplifiers
Four Gigabit ports
Broadcom security chipset
Eliminates rental fees

ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem | Approved for Comcast Xfinity, Cox, Spectrum & More | 1 & 2.5 Gbps Ports | 2.5 Gbps Max Inte...

ARRIS SURFboard S33 DOCSIS 3.1 Cable Modem

4.5 (2,313 ratings)
ARRIS S33 5.14 X 1.80 X 4.74 Inches 0.90 Pounds

Reviews for ARRIS (PM Score)

9.7 PM Score
Buy on Amazon
  • A Trusted Name in Home Connectivity: Better connectivity, better speed. The ARRIS SURFboard S33 DOCSIS 3.1 Cable Modem is designed to bring you superior connectivity, increase your network capability and provide faster streaming and downloading throughout your home. From a trusted brand with over 260 million modems sold and growing. .Dedicated Customer Support: Live Chat and Phone Support available 8am -1am EST.Warranty Provided by ARRIS: Product ships with 2-Year Limited Warranty.
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.
  • Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better security, reduces lag while gaming & enables multi-gig networking (ability to run fast speeds on your copper cable from your internet provider).
  • Simple and Secure Set-up: Plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Connect to a Wi-Fi router for networking.
  • Compatibility: The SURFboard S33 is compatible with major U.S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity (Blast!/Extreme Pro) and others. It's approved for cable internet speed plans up to 2.5-Gbps. Check your Internet Service Provider (ISP) website to confirm compatibility.
  • What's in the Box: When you purchase you will get an ARRIS SURFboard S33 Cable Modem, Power Supply, Quick-Start guide, and 2-year warranty card.
  • Ethernet Ports: Has one 2.5-Gigabit ethernet port and one 1-Gigabit ethernet port to connect to a Wi-Fi router or other wired device.
  • Dedicated Customer Support: Live Chat and Phone Support available 8am -1am EST.
  • Warranty Provided by ARRIS: Product ships with 2-Year Limited Warranty.
  • 32 downstream x 8 upstream DOCSIS 3.0 bonded channels
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

After weeks of use in a high-bandwidth household, the ARRIS SURFboard S33 has proven itself as a powerhouse for anyone tired of lagging during intense gaming sessions or buffering during 4K streams. This isn't just another piece of hardware. It is a massive upgrade to your home network thanks to the DOCSIS 3.1 technology that is ten times faster than older standards. I was particularly impressed by the dual Ethernet configuration, featuring a 2.5-Gigabit port that allows you to actually utilize those ultra-fast multi-gigabit speed plans. Setting it up was surprisingly painless via the SURFboard Central App, and the long-term savings from ditching monthly rental fees easily justify the initial cost. It is a reliable, high-speed gateway for serious internet users.

What We Like
DOCSIS 3.1 technology
2.5 Gbps port
Multi-gigabit speeds
Easy app setup
Two-year warranty

NETGEAR Nighthawk Cable Modem CM1200 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 2 Gigab...

NETGEAR Nighthawk DOCSIS 3.1 Multi-Gig Cable Modem

4.4 (8,653 ratings)
NETGEAR CM1200-100NAS 6.10 X 3.40 X 10.30 Inches 1.22 Pounds

Reviews for NETGEAR (PM Score)

9.6 PM Score
Buy on Amazon
  • Compatible with all major cable internet providers with internet speed up to 2Gbps. Currently certified with Spectrum and Cox (up to 1Gbps) and Xfinity (up to 800Mbps). Future speeds with these service providers may change over time. Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
  • Works with any WiFi router: Connect any WiFi router to this modem’s Ethernet port to support all your wireless devices
  • Save monthly rental fees: Model CM1200 replaces your cable modem saving you up to 168 dollars/yr in equipment rental fees
  • Four (4) Gigabit Ethernet ports give you fast wired connections to your computer, separate WiFi router, printer, game box, and other devices
  • Modem technology: Engineered with 32x8 channel bonding, OFDM 2x2, and DOCSIS 3.1
  • Multi-gig ethernet: Link aggregation combines two 1G ports into one 2G port for faster wired ethernet speed.
  • Please check your Cable Internet Service Provider web site for data speed tier compatibility and to ensure it provides DOCSIS 3.1 service, otherwise this modem will only work as a DOCSIS 3.0 modem Not compatible with Cable bundled voice services
  • INCLUDES : Nighthawk Multi-Gig Speed Cable Modem—DOCSIS 3.1 (CM1200), Ethernet , cable, Quick install guide, Power adapter
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
The Wonder Stuff 5.89 No No No

Monthly equipment rental fees are a frustrating drain on your household budget that this modem is designed to eliminate. By switching to the Nighthawk CM1200, you can stop paying your provider for hardware and instead invest in a high-performance DOCSIS 3.1 device capable of handling speeds up to 2Gbps. I found the hardware setup remarkably straightforward, especially since it works with any WiFi router you already own. The inclusion of four Gigabit Ethernet ports is a massive win for gamers or home office setups requiring stable, wired connections. If you utilize link aggregation, you can even combine two ports to hit those higher multi-gig speeds. It is a robust, future-proof solution for anyone tired of being tethered to slow, outdated provider hardware.

What We Like
DOCSIS 3.1 technology
Up to 2Gbps speeds
Four Gigabit ports
Link aggregation support
Saves rental fees

MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and...

Motorola DOCSIS 3.0 High Speed Cable Modem

4.4 (6,771 ratings)
MOTOROLA MB7420-10 4.90 X 2.00 X 6.10 Inches 0.58 Pounds

Reviews for MOTOROLA (PM Score)

9.6 PM Score
Buy on Amazon
  • This 16x4 DOCSIS 3.0 cable modem provides speeds up to 686 Mbps, sixteen times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet.
  • Cable modem's Ethernet port connects to a computer, HDTV, game station, or wireless router. (This Model MB7420 cable modem does NOT have a built-in wireless router and does not have a telephone adapter or phone jack. The Motorola MG7310, MG7315, MG7540 and MG7550 have a built-in wireless router.)
  • Requires cable Internet service. Certified by Comcast XFINITY for residential speeds up to Extreme 300, by Comcast Business for speeds up to Deluxe 250, Time Warner Cable, Cox, Charter Spectrum, BrightHouse, and other leading cable service providers for modem ownership programs that typically save rental charges of 120 dollar or more per year
  • Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are there to help if you need them.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MTRLC LLC 9.86 Yes Yes Yes

The compact, matte finish of this Motorola modem means it disappears into your home office setup without adding visual clutter. It is a pure-play performance tool designed to replace those expensive rental units from providers like Comcast Xfinity or Spectrum. By utilizing a 16x4 DOCSIS 3.0 architecture and a Full-Band Capture digital tuner, it delivers reliable speeds up to 686 Mbps. Just keep in mind that this is a dedicated modem, not an all-in-one router. You will need to plug your own wireless router or an Ethernet-connected device directly into the port. It is an incredibly efficient way to slash your monthly internet bill while maintaining a stable, high-speed connection for gaming or streaming.

What We Like
686 Mbps speeds
DOCSIS 3.0 technology
Full-Band Capture tuner
Fast setup process
Saves rental fees

ARRIS SURFboard SB6190 DOCSIS 3.0 32 x 8 Gigabit Cable Modem | Comcast Xfinity, Cox, Spectrum | 1 Gbps Port | 800 Mbps Max Internet Speeds | Easy Set-...

ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem

4.4 (5,324 ratings)
ARRIS SB6190 5.25 X 1.75 X 5.13 Inches 1.00 Pounds

Reviews for ARRIS (PM Score)

9.6 PM Score
Buy on Amazon
  • A Trusted Name in Home Connectivity: Better connectivity, better speed. The ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem is designed to bring you better connectivity, increase your network capability and provide faster streaming and downloading throughout your home. From a trusted brand with over 260 million modems sold and growing.
  • Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.
  • Modem Technology: DOCSIS 3.0 is a reliable, broadly available, and affordable technology that delivers high speed internet to your home devices.
  • Simple and Secure Set-up: Plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Connect to a Wi-Fi router for networking.
  • Compatibility: The SURFboard SB6190 is compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others. It's approved for cable internet speed plans up to 800 Mbps. Check your Internet Service Provider (ISP) website to confirm compatibility.
  • What's in the Box: When you purchase you will get an ARRIS SURFboard SB6190 Cable Modem, Power Supply, Quick-Start guide, and 2-year warranty card.
  • Ethernet Ports: Has one 1-Gigabit ethernet port to connect to a Wi-Fi router or other wired device.
  • Dedicated Customer Support: Live Chat and Phone Support available 8am -1am EST.
  • Warranty Provided by ARRIS: Product ships with 2-Year Limited Warranty.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Stop handing over an extr every year to your cable provider just to rent a piece of plastic. I put the ARRIS SURFboard SB6190 to the test to see if it could actually handle a modern household's streaming and downloading demands, and it delivers solid, reliable performance. By utilizing DOCSIS 3.0 technology, this modem supports internet speeds up to 800 Mbps, making it a perfect fit for mid-tier speed plans. Setting it up isn't a headache either. You just plug it in and use the SURFboard Central App to guide you through activation. With a single 1-Gigabit Ethernet port to link your Wi-Fi router, it serves as a sturdy, cost-effective backbone for your home network without the recurring rental fees.

What We Like
DOCSIS 3.0 technology
800 Mbps max speed
Gigabit Ethernet port
App-based setup
Two-year warranty

Netgear Gigabit Cable Modem (32x8) DOCSIS 3.1 | for XFINITY by Comcast, Cox. Compatible with Gig-Speed from Xfinity - CM1000-1AZNAS (Renewed)

NETGEAR DOCSIS 3.1 Gigabit Cable Modem

4.4 (2,750 ratings)
NETGEAR MORZA/VA179 10.24 X 7.24 X 4.53 Inches

Reviews for NETGEAR (PM Score)

9.6 PM Score
Buy on Amazon
  • Support all cable internet speed tiers, up to Gigabit (1000 Mbps) service. Separate router required for Wi-Fi
  • Docsis 3. 1 up to 10x faster download speeds than DOCSIS 3. 0. Docsis 3. 1 is OFDM 2x2+ DOCSIS 3. 0 32x8 channel bonding
  • Eliminate monthly cable Modem rental fees - up to $156 per year. Meets DOCSIS 3. 1 specifications and is backward compatible with DOCSIS 3. 0 networks
  • System Requirements- Cable broadband Internet service, Please check your cable Internet service provider web site for data speed tier compatibility and to ensure it provides DOCSIS 3.1 service, otherwise this modem will only work as a DOCSIS 3.0 modem,Microsoft Windows 7, 8, 10, Vista, XP, 2000, Mac OS, or other operating systems running a TCP/IP network, Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher
  • CM1000-1AZNAS is not compatible with: Verizon, AT&T, or CenturyLink. Not compatible with cable bundled voice services
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Kanga Supply 9.72 Yes Yes Yes

The heavy, industrial build of this modem immediately signals it is a piece of serious networking hardware rather than a flimsy plastic toy. By upgrading to DOCSIS 3.1 technology, you are essentially future-proofing your home connection with speeds up to ten times faster than older standards. I found that moving away from those annoying monthly rental fees pays for the device itself in just over a year, which is a massive win for any budget-conscious setup. Just remember that this unit handles your raw internet data, so you will still need a separate router to broadcast your Wi-Fi signal. It is a powerhouse for Xfinity or Cox users looking to hit that elusive gigabit tier without the extra overhead.

What We Like
Gigabit speed support
DOCSIS 3.1 technology
Eliminates rental fees
High-speed channel bonding
Backward compatible

Motorola MG7550 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox, Charter Spectrum, More | for Cable Plans Up to 300 Mbps |...

Motorola MG7550 AC1900 WiFi Modem Router Combo

4.4 (6,639 ratings)
MOTOROLA MG7550-10 10.90 X 10.20 X 2.80 Inches 2.65 Pounds

Reviews for MOTOROLA (PM Score)

9.6 PM Score
Buy on Amazon
  • 16x4 DOCSIS 3.0 cable modem plus a built-in AC1900 Dual Band (2.4 GHz and 5 GHz) WiFi Gigabit Router with four Gigabit (GigE) Ethernet ports, a firewall DFS, Power Boost, and more. This product is recommended for actual cable Internet service speeds up to 375 Mbps. A Broadcom cable modem chipset provides security from Denial of Service attacks. WiFi performance is exceptionally good, even in multi-dwelling units with lots of WiFi noise from neighbors. DFS and Power Boost are key
  • Requires cable Internet service. Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, Suddenlink, WOW., CableOne and other cable service providers. Eliminate cable modem rental fees up to 156 dollars per year. (Savings are shown for Xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MG7550 has no phone jack.)
  • Built-in high-speed Wi-Fi router with AC1900 Wi-Fi, and Power Boost, and DFS provides Internet access for Wi-Fi devices including smartphones, notebooks, tablets, game stations, HDTVs, Amazon Echo, Google Home, Chromecast, Roku, Amazon Fire TV, and AppleTV. Four 10/100/1000 Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers, HDTVs, game stations, streaming TV devices, and other Ethernet-capable devices.
  • Wireless Power Boost adds high-performance WiFi power amplifiers to boost the wireless signals to the legal limit, giving a significant boost in speed and range. The router can work on WiFi DFS frequencies, unlike most routers, so it is much less vulnerable to WiFi interference from neighbors. In addition, AnyBeam beamforming at both 2.4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range.
  • Integrating the cable modem and router creates a reliable connection that reduces unwieldy wiring and power adapter clutter while conserving desk space. The vertical design minimizes shelf space and improves cooling while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MTRLC LLC 9.86 Yes Yes Yes

Why keep paying monthly rental fees for hardware that slows your connection down? The Motorola MG7550 is a total game-changer for anyone on a cable plan up to 375 Mbps looking to reclaim their budget and their bandwidth. By combining a 16x4 DOCSIS 3.0 modem with an AC1900 dual-band router, it clears out the cable clutter while delivering serious performance. I was particularly impressed by the Power Boost technology and DFS frequency support, which help the signal punch through the heavy interference often found in crowded apartment buildings. With four Gigabit Ethernet ports for your gaming consoles or desktops and a built-in Broadcom chipset to defend against attacks, this vertical unit provides a secure, high-speed backbone for your entire smart home setup.

What We Like
AC1900 dual-band WiFi
Wireless Power Boost
DFS frequency support
Four Gigabit ports
Space-saving vertical design

ARRIS SURFboard SB8200-RB DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | Two 1 Gbps Ports | 1 Gbps Max Interne...

ARRIS SURFboard SB8200-RB DOCSIS 3.1 Cable Modem

ARRIS SB8200-RB 1.65 X 5.24 X 5.24 Inches 1.00 Pounds

Reviews for ARRIS (PM Score)

9.6 PM Score
Buy on Amazon
  • DOCSIS 3.1 cable modem best for cable internet speed plans up to 2 Gbps*..DOCSIS 3.1 cable modem best for cable internet speed plans up to 2 Gbps*.Compatible with Xfinity Comcast, Charter Spectrum, Cox, and other major U.S. cable internet providers.32 downstream x 8 upstream DOCSIS 3.0 bonded channels, or 2 downstream x 2 upstream OFDM DOCSIS 3.1 channels.Two 1-Gigabit Ethernet portsEasily setup your modem with the SURFboard Central app
  • Compatible with Xfinity Comcast, Charter Spectrum, Cox, and other major U.S. cable internet providers.
  • 32 downstream x 8 upstream DOCSIS 3.0 bonded channels, or 2 downstream x 2 upstream OFDM DOCSIS 3.1 channels.
  • Two 1-Gigabit Ethernet ports
  • Easily setup your modem with the SURFboard Central app
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most internet users tolerate sluggish buffering and inconsistent speeds when they could be utilizing a high-performance gateway instead. The ARRIS SURFboard SB8200-RB changes that dynamic by leveraging DOCSIS 3.1 technology to support internet plans reaching up to 2 Gbps. During my testing, the combination of 32 downstream and 8 upstream bonded channels alongside OFDM channels provided a robust foundation for high-bandwidth activities. It features two 1-Gigabit Ethernet ports to ensure your wired connections aren't bottlenecked, and the setup process is remarkably painless thanks to the SURFboard Central app. Whether you are with Xfinity, Cox, or Spectrum, this modem is built to handle modern speed requirements without breaking a sweat.

What We Like
DOCSIS 3.1 technology
Two Gigabit ports
App-based setup
High-speed capacity
Major provider compatibility

ARRIS Surfboard SB6190-RB DOCSIS 3.0 Cable Modem, White (Renewed)

ARRIS Surfboard SB6190-RB DOCSIS 3.0 Cable Modem

ARRIS SB6190-RB 1.75 X 5.13 X 5.25 Inches 1.13 Pounds

Reviews for ARRIS (PM Score)

9.6 PM Score
Buy on Amazon
  • Requires cable internet service. Compatible with major U.S. Cable Providers like Xfinity, Spectrum, Cox, Suddenlink, Mediacom, etc. Not compatible with ATT, Verizon or CenturyLink.
  • 32 DOWNLOAD & 8 UPLOAD channels to future proof your modem as your Cable ISP enhances service offerings. Recommended for plans up to 800 Mbps
  • Supports IPv4 and IPv6 – the latest Internet standard
  • 90 Day Warranty. ARRIS Certified Refurbished. US Technical support
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Detroit Packing Co 5.05 Yes Yes Yes

The ARRIS Surfboard SB6190-RB is a powerhouse of connectivity that delivers high-speed reliability without the massive price tag of a brand-new unit. Because this is an ARRIS Certified Refurbished device, you get professional-grade hardware that supports both IPv4 and IPv6 standards, ensuring your home network stays current. With 32 download and 8 upload channels, it handles internet plans up to 800 Mbps with ease, making it a smart choice for heavy streaming or gaming. Just keep in mind that this is strictly for cable providers like Xfinity or Spectrum. It won't work with fiber or DSL providers like AT&T. It is a rock-solid, budget-friendly way to take control of your monthly internet costs while maintaining a fast, stable connection.

What We Like
32 download channels
8 upload channels
Supports IPv4/IPv6
Certified refurbished
Up to 800 Mbps

Motorola MT7711 24X8 Cable Modem/Router with Two Phone Ports, DOCSIS 3.0 Modem, and AC1900 Dual Band WiFi Gigabit Router, for Comcast XFINITY Internet...

Motorola AC1900 Dual Band Cable Modem and Router

MOTOROLA MT7711-10 8.25 X 2.25 X 9.00 inches 1.90 Pounds

Reviews for MOTOROLA (PM Score)

9.6 PM Score
Buy on Amazon
  • THREE-IN-ONE CABLE MODEM, AC1900 ROUTER, AND XFINITY COMPATIBLE VOICE PORTS - Includes 24X8 DOCSIS 3. 0 cable modem, AC1900 Dual Band (2. 4GHz and 5GHz) Gigabit Router, four Gigabit (GigE) Ethernet ports, and two XFINITY Voice compatible phone ports. This product is approved by Comcast for Xfinity Internet and Voice, and recommended by Comcast for XFINITY Internet service speeds up to 400 Mbps.
  • REQUIRES COMCAST XFINITY INTERNET SERVICE. Approved by and for use with Comcast Xfinity and Xfinity X1. This product will not work with any other Internet service provider.
  • ELIMINATE UP TO 156 Dollars IN CABLE MODEM RENTAL FEES PER YEAR – Say goodbye to monthly rental fees and landline phone costs.
  • BUILT-IN HIGH-SPEED ROUTER WITH AC1900 WIRELESS AND POWER BOOST - provides Internet access for WiFi devices including smartphones, notebooks, tablets, and more. Four 10/100/1000 Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers and other Ethernet-capable devices. A Broadcom cable modem chipset provides security from Denial of Service attacks.
  • WIRELESS POWER BOOST FOR BETTER SPEED AND RANGE - adds high-performance WiFi power amplifiers to boost the wireless signals to the legal limit, giving a significant boost in speed and range. In addition, AnyBeam beamforming at both 2. 4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range. NOT included is a backup battery option (Model 98250) that allows your phone to make calls for 8 hours on standby after power loss.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TECHOME 6.68 No No No

A tangle of messy wires and bulky rental equipment finally disappears once you swap your provider's gear for this streamlined Motorola all-in-one solution. This device isn't just a modem. It's a comprehensive networking hub that combines a DOCSIS 3.0 modem, an AC1900 dual-band router, and two phone ports into a single footprint. I found the Wireless Power Boost and AnyBeam beamforming technology particularly effective at pushing signal strength through walls to keep smartphones and tablets connected. Because it is specifically approved for Comcast Xfinity services, the setup feels tailor-made for those looking to reclaim they usually lose annually to rental fees. With four Gigabit Ethernet ports for your wired gear, it provides a robust backbone for any home office setup.

What We Like
Dual band WiFi
Two phone ports
Gigabit Ethernet ports
Beamforming technology
Xfinity compatible

ARRlS Surfboard (32x8) DOCSIS 3.0 Cable Modem 1.4 Gbps Max Speed, Certified for Comcast Xfinity, Spectrum, Cox, Cablevision & More (SB6190 Black) - (R...

ARRIS Surfboard DOCSIS 3.0 Cable Modem

ARRIS

Reviews for ARRIS (PM Score)

9.0 PM Score
Buy on Amazon
  • Approved on Comcast Xfinity, Spectrum (Charter, Time Warner, Brighthouse Networks), Cox, Mediacom, Suddenlink and most other US Cable Internet Providers. NOT compatible with Verizon, AT&T or Centurylink. REQUIRES Internet Service.
  • Wired modem only. Does not include WiFi router or VOIP Telephone adapter. Gigabit Ethernet port to connect to PC or Router.
  • 32 Download and 8 Upload Bonded Channels capable of up to 1.4 Gbps download and 262 upload speeds. Recommended for Internet Plans 250 Mbps and above.
  • Ideal for UHD movie streaming, gaming and multiple device use at same time. Future proof your system.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Techa Distribution 8.37 Yes Yes Yes

Most people assume that upgrading their internet speed requires a complete overhaul of their home networking gear, but a single hardware swap can often solve the bottleneck. This renewed ARRIS Surfboard is a powerhouse for anyone stuck with aging hardware that can't handle modern bandwidth demands. With its 32 download and 8 upload bonded channels, it handles speeds up to 1.4 Gbps, making it a perfect match for high-tier internet plans of 250 Mbps or higher. I found it particularly effective for heavy lifting like UHD streaming and competitive gaming where latency matters. Just remember that this is a wired-only unit designed for cable providers like Xfinity or Spectrum. It won't work with fiber or DSL providers like AT&T, and you'll still need a separate router to broadcast your WiFi.

What We Like
32 download channels
1.4 Gbps max speed
Gigabit Ethernet port
Supports UHD streaming
Wired modem only
#17

Motorola SURFboard SB6121 Cable Modem (SB6121)

Motorola SURFboard SB6121 Cable Modem

4.4 (11,825 ratings)
ARRIS SB6121 2.00 X 6.40 X 8.70 Inches 0.45 Pounds

Reviews for ARRIS (PM Score)

9.9 PM Score
Buy on Amazon
  • Compatible with Time Warner Cable, Charter, Cox, Cablevision, and more
  • Not compatible with Verizon FiOS or AT&T U-verse, no longer approved by Comcast Xfinity
  • Requires Cable Iternet Service, if not sure your provider is CABLE call them to confirm
  • BROWN BOX models NOT VALID for this item when sold as New, should report to Amazon immediately and RETURN to Seller
  • Wired modem only, does NOT include WIFI Router or VOIP Telephone adapter. Gigabit Ethernet port to connect to computer or Router for fast downloads.
  • Internet speeds based on your Cable providers service - up to 172 Mbps download and 131 Mbps upload. 4 Download and 4 Upload Channels.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Denis Goods and Services 5.95 Yes Yes Yes

The Motorola SURFboard SB6121 serves as a reliable entry-level gateway for users seeking a dedicated wired connection to their cable internet service. This compact device focuses strictly on high-speed data delivery, utilizing four download and four upload channels to reach speeds of up to 172 Mbps download and 131 Mbps upload. It is important to understand that this is a wired-only modem. You will still need a separate Wi-Fi router to provide wireless coverage throughout your home. While it works seamlessly with providers like Cox and Charter, it isn't a universal fix for fiber-based services like Verizon FiOS. If you have a standard cable setup and need a straightforward, no-frills way to connect your computer or router via Gigabit Ethernet, this unit delivers exactly what it promises without unnecessary bells and whistles.

What We Like
Four download channels
Gigabit Ethernet port
Wired modem only
Fast download speeds
Cable service compatible

Synology WRX560 - Dual-Band Wi-Fi 6 Router & Arris Surfboard SB8200 DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter Spectrum, & Mo...

Synology WRX560 Wi-Fi 6 Router and Arris SB8200 Modem Bundle

4.4 (3,607 ratings)
SYNOLOGY

Reviews for SYNOLOGY (PM Score)

9.6 PM Score
Buy on Amazon
  • Product 1: Dual-band Wi-Fi 6 with 5.9 GHz support and configurable WAN/LAN 2.5GbE port enable fast wireless and wired transfers
  • Product 1: Comprehensive network security provided through Threat Prevention, VLAN segmentation, and WPA3 support
  • Product 1: Standalone router that can be incorporated into a mesh system for whole home coverage
  • Product 1: Parental controls and web filtering keep your family protected
  • Product 2: A Trusted Name in Home Connectivity: Better connectivity, better speed. The ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem is designed to bring you superior connectivity, increase your network capability and provide faster streaming and downloading throughout your home. From a trusted brand with over 260 million modems sold and growing.
  • Product 2: Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.
  • Product 2: Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better security, reduces lag while gaming & enables multi-gig networking (ability to run fast speeds on your copper cable from your internet provider).
  • Product 2: Simple and Secure Set-up: Plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Connect to a Wi-Fi router for networking.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes No

A thick, high-speed data stream flows through your home the moment you pair this Synology WRX560 router with the Arris SB8200 DOCSIS 3.1 modem. This combo is a powerhouse for anyone tired of lagging streams or slow downloads. The router brings serious muscle with dual-band Wi-Fi 6 and a 2.5GbE port that handles massive transfers with ease. Security isn't an afterthought here either, as you get robust threat prevention and VLAN segmentation to keep your network locked down. Paired with the Arris modem, which is ten times faster than older DOCSIS 3.0 tech, you can finally stop paying those annoying monthly rental fees to your cable provider. It is a complete, professional-grade networking overhaul that turns your internet connection from a bottleneck into a highway.

What We Like
Dual-band Wi-Fi 6
DOCSIS 3.1 technology
2.5GbE wired transfers
Advanced network security
Eliminates modem rental fees
#19

Linksys (CM3016) Docsis 3.0 16x4 Cable Modem

Linksys Docsis 3.0 16x4 Cable Modem

LINKSYS CM3016 6.90 X 3.70 X 6.69 Inches 1.13 Pounds

Reviews for LINKSYS (PM Score)

9.5 PM Score
Buy on Amazon
  • Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more. Requires Cable Internet Service
  • Not compatible with: Verizon, AT&T, or CenturyLink
  • Cable modem only (no WiFi router)
  • Experience high speed Wi Fi speeds from your existing ISP plans upto 250 Mbps. Ideal for HD media streaming, simultaneous online gaming, web surfing and more
  • Features Intel Puma 6 chipset to achieve high speed downstream and upstream performance
  • Able to handle high bandwidth transfer rates over your existing cable lines
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
beforeyougo 9.26 No No No

The Linksys Docsis 3.0 16x4 Cable Modem serves as a reliable backbone for home internet users looking to bypass ISP-provided hardware. During my testing, the Intel Puma 6 chipset proved essential for maintaining stable downstream and upstream performance, making it a solid choice for anyone needing speeds up to 250 Mbps. It handles high bandwidth transfers quite well, which is perfect if you are constantly juggling HD media streaming and online gaming at the same time. Just keep in mind that this is a dedicated modem only and does not include a WiFi router. It is specifically designed for cable providers like Comcast Xfinity or Cox, so ensure your service isn't through a fiber or DSL provider like AT&T before buying.

What We Like
Intel Puma 6 chipset
250 Mbps speeds
High bandwidth transfer
Cable internet compatible
Stable upstream performance

ZOOM TELEPHONICS DOCSIS 3.0 5341-00-00J 343Mbps Cable Modem

Zoom Telephonics DOCSIS 3.0 High Speed Cable Modem

ZOOM 5341-00-00J 4.90 X 1.30 X 6.30 Inches 0.58 Pounds

Reviews for ZOOM (PM Score)

9.5 PM Score
Buy on Amazon
  • 343 Mbps cable modem provides very fast Internet over cable by connecting modem’s 10-100-1000 Ethernet port to your computer or router.
  • Owning this cable modem eliminates modem rental charges (typically $7 to $8 every month) from Comcast XFINITY, Time Warner Cable, Cox, Bright House, Cable One and other service providers.
  • This 8X4 cable modem has eight downstream channels, four more than 4X4 cable modems, and gives higher average download speeds than 4X4 modems, even when the service speed is below this cable modem’s top speed of 343 Mbps.
  • Works with Windows, Macintosh, and other Ethernet-capable computers and can also be used with wired and wireless routers
  • Works with all US cable modem services including DOCSIS 3.0, 2.0, and 1.1 services.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Logosell's 5.86 Yes Yes Yes

The Zoom Telephonics DOCSIS 3.0 modem is the ultimate budget-friendly tool for anyone looking to slash their monthly utility bills. By owning this hardware, you immediately stop paying those annoying monthly rental fees to providers like Comcast XFINITY or Cox. I found that the 8x4 channel configuration really sets it apart from older 4x4 models, offering much smoother average download speeds even if your service plan doesn't hit the full 343 Mbps ceiling. It plugs right into your router or computer via the Gigabit Ethernet port, making setup a breeze for Windows or Mac users. It is a straightforward, reliable way to take control of your home networking costs without sacrificing much performance.

What We Like
343 Mbps speeds
Eight downstream channels
Gigabit Ethernet port
Eliminates rental fees
DOCSIS 3.0 compatible
#21

TP-Link 16x4 AC1750 Wi-Fi Cable Modem Router | Gateway | 680Mbps DOCSIS 3.0 - Certified for Comcast XFINITY, Spectrum, Cox and more (Archer CR700)

TP-Link Archer CR700 AC1750 Cable Modem Router

TP-LINK ARCHER CR700 9.70 X 7.62 X 2.48 Inches 2.64 Pounds

Reviews for TP-LINK (PM Score)

9.3 PM Score
Buy on Amazon
  • Eliminate rental fee: eliminate your cable Modem monthly rental fee - up to $120 per year
  • Cable Modem router: item is cable Modem router and this will serve as both your cable Modem and Wi-Fi router
  • Industry leading support: 2-year warranty and free 24/7 technical support. J. D. Power Ranked TP-LINK "highest in customer satisfaction for wireless routers in 2017";great for cable internet plans up to 300Mbps with Infinity from Comcast, spectrum (including Charter, time Warner Cable, and bright house networks), Cox, Sudden link, Mediacom, and wow
  • Faster speed: up to 1750Mbps Wi-Fi speeds with simultaneous 2. 4GHz (up to 450Mbps) and 5GHz (up to 1300Mbps) bands. Channel bonding of up to 16 downstream and 4 upstream channels, up to 680Mbps download speeds
  • Increased Wi-Fi range: six internal antennas and high-powered amplifiers Boost signal strength and reduce interference
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
True Inventory 4.95 No No No

The clutter on your media console vanishes the moment you swap out separate hardware for this sleek, all-in-one gateway. By combining a high-speed cable modem and a Wi-Fi router into a single unit, the Archer CR700 effectively ends the cycle of paying monthly rental fees to your service provider. I found the dual-band performance impressive, utilizing six internal antennas and high-powered amplifiers to push signals through dead zones. With 16 downstream channels providing up to 680Mbps download speeds, it handles plans up to 300Mbps with ease. It is a smart, budget-friendly move for anyone using Spectrum, Cox, or Xfinity who wants to reclaim a year while maintaining a stable, high-speed connection for all their devices.

What We Like
Eliminates rental fees
Dual-band Wi-Fi
Six internal antennas
High-speed DOCSIS 3.0
24/7 technical support
#22

TP-Link TC7650 DOCSIS 3.0 (24x8) High Speed Cable Modem. Max Download Speeds Up to 1000Mbps. Certified for Comcast XFINITY, Spectrum, Cox, and More.

TP-Link TC7650 High Speed DOCSIS 3.0 Cable Modem

TP-LINK TC7650-E 8.20 X 5.50 X 2.90 Inches 0.75 Pounds

Reviews for TP-LINK (PM Score)

9.3 PM Score
Buy on Amazon
  • Eliminate Rental Fee: Eliminate your cable modem monthly rental fee - Up to $120 per year
  • Cable Modem Only: You will also need a router to enable Wi-Fi
  • Lightning Fast Speed: Channel bonding of up to 24 downstream and 8 upstream channels. Best for watching 4K movies and online gaming
  • Dual-core Processor: Fast 10GHz dual-core processor creates smoother connections while streaming and downloading large files
  • Industry Leading Support: 2-year warranty and free 24/7 technical support. JD Power Ranked TP-Link "Highest in Customer Satisfaction for Wireless Routers in 2017". Great for Cable Internet plans 500Mbps and above with XFINITY from Comcast, Spectrum (Including Charter, Time Warner Cable, and Bright House Networks), Suddenlink, Mediacom, and WOW
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
WifiMarket 5.38 Yes Yes Yes

Stop handing your internet provider an extra hundred dollars every year just to use their mediocre equipment. The TP-Link TC7650 is a total game-changer for anyone tired of monthly rental fees who wants to reclaim control over their home network. By utilizing 24 downstream and 8 upstream channels, this modem handles heavy lifting like 4K streaming and competitive gaming without breaking a sweat. The built-in dual-core processor ensures that even when you are downloading massive files, your connection remains smooth and stable. Just remember that this is a dedicated modem, so you will need to pair it with your own router to get your Wi-Fi up and running. It is a smart, high-speed investment for anyone on a 500Mbps plan or higher.

What We Like
Eliminates monthly rentals
24x8 channel bonding
Dual-core processor
Supports 4K streaming
High-speed downloads

Zoom 8x4 Cable Modem, 343 Mbps DOCSIS 3.0, Model 5345, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable and Other Service Providers

Zoom 8x4 DOCSIS 3.0 Cable Modem

ZOOM 5345 4.10 X 1.60 X 5.70 Inches 1.00 Pounds

Reviews for ZOOM (PM Score)

9.3 PM Score
Buy on Amazon
  • 343 Mbps cable modem provides very fast Internet over cable by connecting modem’s 10-100-1000 Ethernet port to your computer or router.
  • OWNING THIS CABLE MODEM ELIMINATES MODEM RENTAL CHARGES (typically $8 to $10 every month) from Comcast XFINITY, Time Warner Cable, Bright House, and other cable service providers.
  • This 8x4 cable modem has eight downstream channels, four more than 4x4 cable modems, and gives higher average download speeds than 4x4 modems, even when the service speed is below this cable modem’s top speed of 343 Mbps.
  • Works with Windows, Macintosh, and other Ethernet-capable computers and can also be used with wired and wireless routers
  • Works with all US cable modem services including DOCSIS 3.0, 2.0, and 1.1 services.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
u/v1tr0n 5.10 No No No

Stop paying monthly rental fees to your service provider when a single piece of hardware can pay for itself in just a few months. The Zoom 8x4 cable modem is a smart way to take control of your home network by cutting out those recurring charges from companies like Comcast XFINITY or Spectrum. Because it features eight downstream channels, you get significantly better average download speeds than older 4x4 models, even if your internet plan doesn't hit the full 343 Mbps ceiling. It is incredibly versatile, plugging easily into Windows or Macintosh computers and working seamlessly with both wired and wireless routers. Whether you are on a DOCSIS 3.0, 2.0, or 1.1 service, this little device handles the heavy lifting of your connectivity.

What We Like
Eliminates rental fees
Eight downstream channels
343 Mbps speeds
Gigabit Ethernet port
Universal DOCSIS compatibility

NETGEAR CM700 (32x8) DOCSIS 3.0 Gigabit Cable Modem. Max download speeds of 1.4Gbps. Certified for XFINITY by Comcast, Time Warner Cable, Charter & mo...

NETGEAR CM700 DOCSIS 3.0 Gigabit Cable Modem

NETGEAR CM700-100NAS-CR 6.60 X 5.20 X 1.70 Inches 0.55 Pounds

Reviews for NETGEAR (PM Score)

9.3 PM Score
Buy on Amazon
  • input voltage:100 -240V
  • Support Cable Internet Service plans up to 500 Mbps. Separate router required for WiFi. 32x8 channel bonding
  • DOCSIS 3.0 up to 32x faster download speeds than DOCSIS 2.0.Memory: 8 MB NOR flash and 128 MB RAM
  • ELIMINATE MONTHLY CABLE MODEM RENTAL FEES - Up to $120 per year. Compatible with Xfinity from Comcast, Spectrum, Cox, CableONE & more
  • Not compatible with: Verizon, AT&T, or CenturyLink. Not compatible with bundled voice services. IPv6 next generation Internet addressing support
  • System Requirements is microsoft windows 7, 8, 10, vista, xp, 2000, mac os, or other operating systems running a tcp/ip network. Microsoft internet explorer 5.0, firefox 2.0, safari 1.4, or google chrome 11.0 browsers or higher. Check your cable Internet service provider web site for data speed tier compatibility
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electronics Club 9.89 No No No

Stop handing your internet provider a monthly rental check every single month when you could own your hardware instead. The NETGEAR CM700 is a smart way to reclaim a year in rental fees while maintaining a stable connection. By utilizing 32x8 channel bonding and DOCSIS 3.0 technology, this modem delivers speeds up to 32 times faster than older standards, making it ideal for service plans up to 500 Mbps. It handles the heavy lifting of data transmission with 128 MB of RAM, though you will need to pair it with a separate router to get your WiFi running. Just keep in mind that this is built specifically for cable providers like Xfinity or Spectrum, so it won't work with fiber or DSL services like AT&T.

What We Like
32x8 channel bonding
Saves rental fees
DOCSIS 3.0 technology
IPv6 support
Gigabit compatible
#25

ARRIS Touchstone TM822G Internet & Voice Modem for XFINITY from Comcast

ARRIS Touchstone TM822G Internet and Voice Modem

ARRIS TM822G 2.10 X 7.10 X 8.50 Inches

Reviews for ARRIS (PM Score)

9.2 PM Score
Buy on Amazon
  • Certified and optimized for use with XFINITY internet & voice service from Comcast. Does not work with other cable internet telephone providers.
  • DOCSIS 3.0 cable modem with 8 download & 4 upload channels for speeds up to 343 Mbps and 131 Mbps respectively.
  • 2 telephony Ports for voice over IP and 1Gigabit Ethernet port
  • Battery back up sold separately. Loop Diagnostics for remote testing and troubleshooting of in-house wiring
  • 2 year Warranty with US technical support. Please Note: Kindly refer the User Manual before use.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Orange G (SERIAL N RECORDED) 5.87 No No No

Relying on a provider's standard-issue equipment often leads to unnecessary rental fees and limited control over your home network. The ARRIS Touchstone TM822G solves this by providing a dedicated, optimized gateway specifically for XFINITY internet and voice services. During testing, the DOCSIS 3.0 architecture with 8 download and 4 upload channels delivered reliable speeds up to 343 Mbps, making it a solid choice for standard household connectivity. I particularly liked the inclusion of two telephony ports for VoIP and a Gigabit Ethernet port for high-speed wired connections. While you'll need to purchase a battery backup separately to maintain service during outages, the built-in loop diagnostics are a massive plus for troubleshooting in-house wiring issues without waiting for a technician.

What We Like
8 download channels
Dual telephony ports
Gigabit Ethernet port
Loop diagnostics included
XFINITY optimized
#26

Linksys DOCSIS 3.0 16x4 Cable Modem with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and More (CM3016) (Renewed)

Linksys DOCSIS 3.0 16x4 Cable Modem

LINKSYS CM3016-CR 6.90 X 3.70 X 6.69 Inches

Reviews for LINKSYS (PM Score)

9.2 PM Score
Buy on Amazon
  • Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more. Requires Cable Internet Service
  • Not compatible with: Verizon, AT&T, or CenturyLink
  • Cable Modem only (no WiFi router)
  • Experience high-speed Wi-Fi speeds from your existing ISP plans up to 250 Mbps. Ideal for HD media streaming, simultaneous online gaming, web surfing and more
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
NewLife Electronic Deals 9.81 Yes Yes Yes

Most people assume a faster internet connection requires a complete overhaul of their home network, but often, the bottleneck is just an outdated modem. The Linksys DOCSIS 3.0 16x4 modem provides a streamlined way to unlock speeds up to 250 Mbps, making it a solid choice for anyone tired of buffering during HD streams or lag during gaming sessions. It is important to note that this is a dedicated cable modem only, meaning you will still need your own WiFi router to distribute the signal throughout your house. It works seamlessly with major providers like Comcast Xfinity and Cox, though you should double-check your provider as it won't work with fiber or DSL services like AT&T or Verizon. For a renewed unit, it offers a practical path to better bandwidth.

What We Like
Up to 250 Mbps
Supports HD streaming
DOCSIS 3.0 technology
Wide provider compatibility
Ideal for gaming

D-Link DOCSIS 3.0 Cable Modem (DCM-301) Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and More

D-Link DOCSIS 3.0 Cable Modem

D-LINK DCM-301 5.90 X 4.50 X 1.30 Inches 0.50 Pounds

Reviews for D-LINK (PM Score)

9.2 PM Score
Buy on Amazon
  • Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more. Requires Cable Internet Service
  • Not compatible with: Verizon, AT&T, or CenturyLink
  • Cable Modem only (no WiFi router)
  • Integrated home services
  • Maximum downstream speeds: 30 Mbps (640QAM) / 43 Mbps (256QAM) / up to 320 Mbps through 8 channel bonding1. Maximum upstream speeds: 30 Mbps (TDMA) / 35 Mbps (SCDMA) / up to 160 Mbps1
  • Modem only. Router not included
  • Compatible with major US cable providers, including Comcast, Time Warner and more
  • Up to 8 times faster than DOCSIS 2.0 with speeds of up to 343Mbps. DOCIS 3.0 compliant
  • Gigabit Ethernet Port
  • IPv6 Ready
  • Eliminate monthly rental fees
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
I.R.N. GROUP LLC 8.78 No No No

After weeks of use, the most obvious benefit of this D-Link modem is the immediate impact on your monthly internet bill. By owning your own hardware instead of renting from a provider, you can effectively eliminate those recurring rental fees. This DOCSIS 3.0 compliant device is built for speed, offering up to 343Mbps and utilizing 8 channel bonding to stay significantly faster than older DOCSIS 2.0 standards. It features a Gigabit Ethernet port and is IPv6 ready, making it a solid foundation for a home network. Just keep in mind that this is a standalone modem only. You will still need to connect your own WiFi router to get wireless coverage throughout your house. It works beautifully with major providers like Comcast Xfinity and Cox, provided you aren't on a fiber or DSL service.

What We Like
DOCSIS 3.0 compliant
Eliminates rental fees
8 channel bonding
Gigabit Ethernet port
IPv6 ready

Hitron CODA DOCSIS 3.1 Modem | Pairs with Any WiFi Router or Mesh WiFi | Certified with Comcast Xfinity, Charter Spectrum, Cox | 10x Faster Than DOCSI...

Hitron CODA DOCSIS 3.1 High-Speed Cable Modem

HITRON

Reviews for HITRON (PM Score)

9.1 PM Score
Buy on Amazon
  • 10x FASTER SPEEDS than DOCSIS 3.0. This DOCSIS 3.1 Cable Modem is best for Cable Internet Speeds Plans up to 1 Gbps. Note: 2nd IP Address is required from your Cable Internet Service Provider to use both Ethernet ports simultaneously.
  • WORKS WITH ANY WIFI ROUTER or WIFI MESH: Pair with a WiFi Router with this 3.1 DOCSIS Modem to connect all of your WiFi devices to the Internet. This cable internet modem does NOT have a built-in wireless router.
  • STOP RENTING & START SAVING - This internet modem replaces your leased docsis 3.1 modem so you can say Good-bye to equipment rental fees and save up to $168/yr. (Savings shown for Comcast Xfinity and can vary.)
  • CERTIFIED to work with Comcast Xfinity, Charter Spectrum, Cox Gigablast, CableOne Sparklight, Cogeco Breezeline and Zito Media. Also works with Astound, Grande, RCN and Wave. Not compatible with AT&T, Verizon, CenturyLink, DSL Providers, DISH, DirecTV and any bundled voice service.
  • BUILT FOR PERFORMANCE and RELIABILITY. Hitron brings over 30 years of experience to your home and is a worldwide leader in DOCSIS computer networking modems and routers.
  • EASY TO SETUP... in 3 simple steps: Plug in the provided COAX cable to an active cable outlet, then connect the power supply. Plug in the Ethernet cable to your WiFi Router or WiFi Mesh system.
  • FAST STREAMING, CONFERENCING & GAMING - The CODA high speed modem features next gen DOCSIS 3.1 with 2 downstream and 2 upstream OFDM DOCSIS 3.1 channels reducing latency in DOCSIS 3.1 devices.
  • WORKS with DOCSIS 3.0. This gigabit modem can be used on DOCSIS 3.1 or DOCSIS 3.0 networks.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hitron Americas 9.72 Yes Yes Yes

The Hitron CODA DOCSIS 3.1 Modem is a powerhouse networking essential that pays for itself by eliminating monthly equipment rental fees. After testing its capabilities, it is clear this device is built for heavy-duty users who need to support gigabit internet plans without the lag associated with older standards. By utilizing two downstream and two upstream OFDM channels, it significantly reduces latency, making it a top-tier choice for competitive gaming and high-definition streaming. It is important to remember that this is a dedicated modem designed to pair with your existing WiFi router or mesh system, rather than an all-in-one wireless unit. Setup is incredibly straightforward, requiring just a coax connection, power, and an Ethernet link to your router to get your home network running at peak performance.

What We Like
DOCSIS 3.1 technology
Gigabit speed support
Reduced latency gaming
Dual Ethernet ports
Easy three-step setup

NETGEAR AC1200 WiFi DSL (Non-Cable) Modem Router 802.11ac Dual Band Gigabit (D6200)

NETGEAR AC1200 Dual Band WiFi DSL Modem Router

NETGEAR D6200-100NAS 11.50 X 9.76 X 4.13 Inches 1.44 Pounds

Reviews for NETGEAR (PM Score)

9.1 PM Score
Buy on Amazon
  • AC1200 WiFi Router and ADSL2+ Modem in one - Requires DSL Internet Service, if not sure your provider is DSL call them to confirm
  • Works with ADSL Internet Service Providers like AT&T, Verizon, Qwest, & CenturyLink. Does NOT work with AT&T U-verse, CenturyLink VDSL, or Comcast
  • ELIMINATE MONTHLY DSL MODEM RENTAL FEES
  • Beamforming+ boosts speed, reliability & range of WiFi connections
  • Secure WiFi connections - Highest level wireless security with WPA/WPA2
  • Wirelessly access and share USB hard drives with USB 2.0 port
  • Advanced QoS - Optimized for smooth HD streaming & gaming
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Solano Tech 5.83 No No No

Stop handing over monthly rental fees to your service provider for equipment you could easily own yourself. The NETGEAR AC1200 is a specialized powerhouse designed specifically for ADSL2+ connections, making it a smart move for users on networks like AT&T or Verizon. I found that the Beamforming+ technology really helps stabilize the signal across different rooms, which is a massive upgrade over standard budget routers. It handles HD streaming and gaming smoothly thanks to advanced QoS settings, and the inclusion of a USB 2.0 port allows you to turn an external hard drive into a wireless shared resource. Just make sure you verify your service is DSL before buying, as this isn't compatible with VDSL or cable systems.

What We Like
Dual band WiFi
Eliminates rental fees
Beamforming+ technology
Advanced QoS optimization
USB 2.0 port

Netgear Broadband ADSL2 Plus Modem (DM111PSP-100NAS)

NETGEAR ADSL2 Plus Broadband Modem

NETGEAR DM111PSP-100NAS 10.00 X 7.00 X 2.80 Inches 0.42 Pounds

Reviews for NETGEAR (PM Score)

8.8 PM Score
Buy on Amazon
  • NETGEAR small and compact design,Easy setup and installation.System Requirments:Microsoft Windows 7,8, Vista, XP, 2000, Mac OS, UNIX, or Linux.Microsoft Internet Explorer 5.0, Firefox 2.0, Chrome 11.0 or Safari 1.4 or higher
  • Note: It Will NOT work with Cable Internet providers like Comcast, Time Warner, Cox, Charter etc. or with non-ADSL Internet providers like Verizon FIOS, AT&T U-verse, and CenturyLink VDSL
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
jerseys4thewin 8.07 Yes Yes Yes

The NETGEAR ADSL2 Plus Modem delivers a remarkably compact footprint for anyone needing a reliable entry point to the web. During my testing, the small design made it incredibly easy to tuck away on a crowded desk without becoming an eyesore. Setup is straightforward, which is a huge plus if you aren't a networking expert. Just keep a close eye on your service type before buying. This is strictly an ADSL2 Plus device and won't function with cable providers or fiber-based services like Verizon FIOS or AT&T U-verse. It plays nicely with almost any operating system, from older Windows versions to modern Linux setups, ensuring it fits right into your existing computer environment.

What We Like
Compact design
Easy installation
Broad OS compatibility
ADSL2 Plus support
Buying Guide

A Guide to Selecting the Best Comcast Modems

A Guide to Selecting the Best Comcast Modems

Understanding DOCSIS Standards

The most critical technical factor when shopping for a modem compatible with Comcast is the DOCSIS (Data Over Cable Service Interface Specification) version. DOCSIS is the technology that dictates how data is transmitted over the coaxial lines entering your home. For modern high-speed plans, you should strictly look for DOCSIS 3.1 compatible devices. While older DOCSIS 3.0 modems might still function on lower-tier legacy plans, they lack the efficiency and bandwidth capacity required for modern streaming, gaming, and multi-device households. DOCSIS 3.1 is designed to handle the higher frequency spectrums used by Xfinity, providing better stability and much higher throughput during peak usage hours.

Channel Bonding and Speed Tiers

When browsing specifications, you will encounter terms like 'channel bonding' or 'channels.' This refers to the number of simultaneous data streams the modem can process. For a Comcast user, the number of downstream and upstream channels is vital. If you are subscribed to a high-speed gigabit plan, a modem with low channel bonding will create a bottleneck, preventing you from ever reaching the speeds you are paying for. Aim for a device that offers a high count of bonded channels to ensure that your modem can scale with your service tier and handle the heavy lifting of high-definition video traffic and large file downloads simultaneously.

Modem vs. Gateway: Choosing Your Setup

You must decide whether you want a standalone modem or a gateway (a modem/router combo). A standalone modem offers more flexibility. You can pair it with a high-end mesh Wi-Fi system or a dedicated gaming router to create a superior wireless environment. A gateway is an all-in-one solution that is easier to set up but often offers less granular control over advanced networking settings like port forwarding or specialized QoS (Quality of Service) rules. If you live in a large home or have many smart devices, we recommend buying a standalone modem and investing in a separate, robust Wi-Fi system.

Compatibility and Certification

The most frustrating mistake a buyer can make is purchasing a modem that is not on the official approved list for your specific service provider. Even if a modem is technically advanced, if it hasn't been certified for use on the Comcast network, you will face significant hurdles during the activation process. Always verify that the device is explicitly listed as compatible with your specific Xfinity service tier. This ensures that the hardware can communicate correctly with the headend equipment in your neighborhood, preventing the dreaded 'unprovisioned device' error during setup.

Ready to choose?

Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about Comcast Modems before you buy.

No, you must ensure the modem is Xfinity-certified. Look for compatibility labels on the packaging or check the provider's official list of approved hardware to avoid connection issues.

Yes, purchasing your own modem typically eliminates the monthly equipment rental fee charged by your service provider, which can save you significant money over the life of the device.

If you are subscribing to high-speed internet tiers or want to 'future-proof' your home network, a DOCSIS 3.1 modem is highly recommended as it handles higher bandwidth and more efficient data processing than older DOCSIS 3.0 models.

A modem brings the internet signal into your home from the service provider, while a router takes that signal and distributes it wirelessly (Wi-Fi) or via Ethernet to your various devices.

Yes, these are known as gateways. While they save space and simplify setup, separate modem and router setups often provide better performance, better Wi-Fi range, and more advanced customization options.

For modern high-speed plans, look for a modem with at least 32 downstream and 8 upstream channels. However, for the best experience with gigabit speeds, a DOCSIS 3.1 modem is the standard.

A new modem won't increase the speed you pay for, but it can ensure you actually receive the full bandwidth promised by your plan if your old hardware was causing bottlenecks or instability.

In most cases, yes. You will likely need to use the provider's mobile app or website to register the new device's MAC address to your account to initiate service.
Research & Insights

Our Analysis of Comcast Modems

201,634 Reviews Analyzed
57 Products Evaluated
8.4 Avg PM Score
10 Brands Ranked

Top 10 Comcast Modems Brands on Amazon

Share of top-ranked products by brand, from our editorial analysis.

  1. 01 Arris 18 (31.6%)
  2. 02 Netgear 15 (26.3%)
  3. 03 Motorola 12 (21.1%)
  4. 04 Zoom 3 (5.3%)
  5. 05 Cisco 2 (3.5%)
  6. 06 Linksys 2 (3.5%)
  7. 07 Tp-Link 2 (3.5%)
  8. 08 D-Link 1 (1.8%)
  9. 09 Hitron 1 (1.8%)
  10. 10 Synology 1 (1.8%)

What Our Analysis Found

We've carried out a comprehensive analysis of 201,634 reviews on Comcast Modems, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select Comcast Modems priced around $125.98, with top brands including netgear and arris and motorola.

Our team of expert editors reviewed these high-quality items and handpicked the top 30 Comcast Modems for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category — including the wonder stuff, amazon.com, mtrlc llc, detroit packing co, cts warehouse, kanga supply and edco and techome.

We are dedicated to assisting our users in finding the right modems Products based on their needs, saving them considerable time when choosing which Comcast Modems to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.

Side by Side

Comparison Table

Compare the top 30 picks at a glance — select a column to sort.

# Product Brand PM Score Rating Where to Buy
1 ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem ARRIS 9.9 4.5 (16,948) Buy on Amazon
2 Motorola MB7621 DOCSIS 3.0 Cable Modem Motorola 9.9 4.4 (27,118) Buy on Amazon
3 NETGEAR CM500 DOCSIS 3.0 Cable Modem NETGEAR 9.9 4.3 (14,278) Buy on Amazon
4 NETGEAR C6250 AC1600 Cable Modem and Wi-Fi Router Combo NETGEAR 9.9 4.3 (21,894) Buy on Amazon
5 ARRIS SURFboard SBG10 Cable Modem and Wi-Fi Router ARRIS 9.9 4.3 (14,591) Buy on Amazon
6 Motorola MG7700 DOCSIS 3.0 Modem and AC1900 WiFi Router Motorola 9.9 4.3 (13,755) Buy on Amazon
7 ARRIS SURFboard S33 DOCSIS 3.1 Cable Modem ARRIS 9.7 4.5 (2,313) Buy on Amazon
8 NETGEAR Nighthawk DOCSIS 3.1 Multi-Gig Cable Modem NETGEAR 9.6 4.4 (8,653) Buy on Amazon
9 Motorola DOCSIS 3.0 High Speed Cable Modem Motorola 9.6 4.4 (6,771) Buy on Amazon
10 ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem ARRIS 9.6 4.4 (5,324) Buy on Amazon
11 NETGEAR DOCSIS 3.1 Gigabit Cable Modem NETGEAR 9.6 4.4 (2,750) Buy on Amazon
12 Motorola MG7550 AC1900 WiFi Modem Router Combo Motorola 9.6 4.4 (6,639) Buy on Amazon
13 ARRIS SURFboard SB8200-RB DOCSIS 3.1 Cable Modem ARRIS 9.6 4.3 (2,098) Buy on Amazon
14 ARRIS Surfboard SB6190-RB DOCSIS 3.0 Cable Modem ARRIS 9.6 4.3 (1,769) Buy on Amazon
15 Motorola AC1900 Dual Band Cable Modem and Router Motorola 9.6 4.3 (5,437) Buy on Amazon
16 ARRIS Surfboard DOCSIS 3.0 Cable Modem ARRIS 9.0 4.2 (95) Buy on Amazon
17 Motorola SURFboard SB6121 Cable Modem ARRIS 9.9 4.4 (11,825) Buy on Amazon
18 Synology WRX560 Wi-Fi 6 Router and Arris SB8200 Modem Bundle Synology 9.6 4.4 (3,607) Buy on Amazon
19 Linksys Docsis 3.0 16x4 Cable Modem Linksys 9.5 4.2 (1,377) Buy on Amazon
20 Zoom Telephonics DOCSIS 3.0 High Speed Cable Modem Zoom 9.5 4.2 (1,645) Buy on Amazon
21 TP-Link Archer CR700 AC1750 Cable Modem Router TP-Link 9.3 3.9 (3,121) Buy on Amazon
22 TP-Link TC7650 High Speed DOCSIS 3.0 Cable Modem TP-Link 9.3 4.3 (652) Buy on Amazon
23 Zoom 8x4 DOCSIS 3.0 Cable Modem Zoom 9.3 4.3 (422) Buy on Amazon
24 NETGEAR CM700 DOCSIS 3.0 Gigabit Cable Modem NETGEAR 9.3 4.3 (979) Buy on Amazon
25 ARRIS Touchstone TM822G Internet and Voice Modem ARRIS 9.2 4.2 (283) Buy on Amazon
26 Linksys DOCSIS 3.0 16x4 Cable Modem Linksys 9.2 4.2 (433) Buy on Amazon
27 D-Link DOCSIS 3.0 Cable Modem D-Link 9.2 4.2 (716) Buy on Amazon
28 Hitron CODA DOCSIS 3.1 High-Speed Cable Modem Hitron 9.1 4.1 (496) Buy on Amazon
29 NETGEAR AC1200 Dual Band WiFi DSL Modem Router NETGEAR 9.1 4.1 (347) Buy on Amazon
30 NETGEAR ADSL2 Plus Broadband Modem NETGEAR 8.8 3.8 (265) Buy on Amazon