Best Comcast Modems in 2026

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).

Top Internet Speeds for all Multi-gigabit Speed Tiers - Wirecutter recommends this model as the best cable modem for people using Gigabit Internet plans. Built-in DOCSIS 3.1 and DOCSIS 3.0 32x8 capabilities give top Internet speeds for all cable Internet services.

Save Money - Eliminate up to 168 dollars per year in cable modem rental fees (Savings are shown for Comcast Xfinity and vary by cable service provider.) Approved by Comcast Xfinity and Xfinity X1, Cox, and CableOne for all speeds including Comcast Gigabit services and Cox Gigablast. Not compatible with RCN. No cable modem is compatible with fiber optic, DSL, or satellite services, available from Verizon, AT&T, CenturyLink, Frontier, and others.)

Flexible Compatibility - Pair with any Wi-Fi router you’d like, including Whole Home Wi-Fi or Mesh routers like eero, Google Wi-Fi, and Orbi. A 10/100/1000 Gigabit Ethernet port allows connection of any SINGLE device with an Ethernet port including a router, Windows or Mac computer, HDTV, or game station. This cable modem does not have a built-in wireless router or telephone call capability.

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

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.

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).

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

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

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

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

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)

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.

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

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

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

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.

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

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)

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)

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.)

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

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.

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

DOCSIS 3.0 Cable Modem Only - Wireless Router Purchased Separately

Compatible with Xfinity Comcast, Mediacom & Other US Providers - Call Your Provider Before Ordering to Verify

8x4 Channel Bonding Supports Wired Download Speeds up to 343Mbps

Next generation WiFi 6 router and mesh system for uninterrupted gaming, streaming, and video conferencing on over 100 connected devices.

Supports fast internet plans with DOCSIS 3.1 plus the mb8611 is certified to Comcast Xfinity, Cox Gigablast, and Charter Spectrum

Powerful Mobile App. Easily set up, manage, and secure your home network with the motosync app. Create profiles to filter content, set time limits, pause Internet, and monitor usage.

Zoom 5350 Cable Modem/Router Combo - DOCSIS 3.0 - Compatible With Comcast/Xfinity and Others

Supports Wired Download Speeds Up to 343 Mbps (8 x 4 Bonded channels)

Built-In Single Band 4-Port WiFi Router (2.4 GHz wireless broadcast)

All in one powerful bundle – The MH7602 Advanced WiFi 6 Mesh System 2 Pack delivers fast AX1800 speeds up to 1 Gigabit for over 100 devices.

DOCSIS 3.1 delivers true Gigabit-plus speeds. Supporting fast internet plans with Comcast Xfinity, Cox, and Charter Spectrum.

Extreme cost savings - Owning your own modem saves the home up to $168 per year in monthly rental charges.

Ultra-fast DOCSIS 3.1 performance - Model MB8611 supports the fastest DOCSIS 3.1 cable modem services available for all multi-gigabit speed tiers, complete with fallback to 32x8 DOCSIS 3.0 (Approved by Comcast Xfinity for all speeds including Comcast Gigabit services.)

Compatibility - Plugs easily into any WiFi router for shared internet access by all your WiFi and ethernet-capable devices. This cable modem does NOT have a built-in wireless router or telephone call capability.

Flexible connection: A 2.5G Ethernet port to work with even the Fastest Routers and Personal Computers, providing downstream speeds just below 2,500 Mbps and upstream speeds up to 800 Mbps (when supported by your cable service speed.)