Best Na Modems in 2025

Daisy
Last Updated: Oct 31, 2025

At a Glance: Our Top Picks for Na Modems

ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | Two 1 Gbps Ports | 1 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty,White
#TOP1
Arris Surfboard Sb8200 Docsis 3.1 Cable Modem |
9.9
PM SCORE
Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox, and Spectrum | for Cable Plans Up to 900 Mbps | DOCSIS 3.0
#TOP2
Motorola Mb7621 Cable Modem | Pairs With Any
9.9
PM SCORE
NETGEAR Cable Modem Wi-Fi Router Combo C6250 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 300 Mbps | AC1600 Wi-Fi Speed | DOCSIS 3.0
#TOP3
Netgear Cable Modem Wi-Fi Router Combo C6250 -
9.9
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Na Modems of 2025

Arris Surfboard Sb8200 Docsis 3.1 Cable Modem | Approved For Comcast Xfinity, Cox, Charter Spectrum, & More | Two 1 Gbps Ports | 1 Gbps Max Internet Speeds | 4 Ofdm Channels | 2 Year Warranty,White

ARRIS
SB8200
5.00 X 2.00 X 5.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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.

Motorola Mb7621 Cable Modem | Pairs With Any Wifi Router | Approved By Comcast Xfinity, Cox, And Spectrum | For Cable Plans Up To 900 Mbps | Docsis 3.0

MOTOROLA
MB7621-10
7.25 X 2.25 X 7.88 Inches
0.07 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MTRLC LLC 9.86

Features

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.

Netgear Cable Modem Wi-Fi Router Combo C6250 - Compatible With All Cable Providers Including Xfinity By Comcast, Spectrum, Cox | For Cable Plans Up To 300 Mbps | Ac1600 Wi-Fi Speed | Docsis 3.0

NETGEAR
C6250-1AZNAS
7.79 X 2.52 X 7.68 Inches
1.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
CTS Warehouse 9.73

Features

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

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 + Gigabit Router

MOTOROLA
MG7700-10
8.60 X 2.60 X 9.00 Inches
1.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MTRLC LLC 9.86

Features

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

Netgear Cable Modem Cm500 - Compatible With All Cable Providers Including Xfinity By Comcast, Spectrum, Cox | For Cable Plans Up To 400Mbps | Docsis 3.0

NETGEAR
CM500-1AZNAS
4.88 X 7.28 X 2.36 Inches
1.46 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
edco 5.08

Features

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.

Netgear Cable Modem Cm1000 - Compatible With All Cable Providers Including Xfinity By Comcast, Spectrum, Cox | For Cable Plans Up To 1 Gigabit | Docsis 3.1, Black (Cm1000-1Aznas)

NETGEAR
CM1000-1AZNAS
8.80 X 5.40 X 5.90 Inches
2.14 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Corewireless 7.81

Features

Compatible with all major cable internet providers with internet speed up to 1Gbps. Currently certified with Spectrum and Cox (up to 1Gbps), Xfinity (up to 800Mbps). Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.

Save monthly rental fees: Model CM1000 replaces your cable modem saving you up to dollar 168/year in equipment rental fees.

Works with any Wi-Fi router: Connect any Wi-Fi 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 Wi-Fi router.

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 Internet Speeds | 4 Ofdm Channels | 2 Year Warranty

ARRIS
S33
5.14 X 1.80 X 4.74 Inches
0.90 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Netgear Nighthawk Multi-Gig Cable Modem Cm2000 - Compatible With All Cable Providers Incl. Xfinity, Spectrum, Cox | For Cable Plans Up To 2.5Gbps | Docsis 3.1

NETGEAR
CM2000-100NAS
9.92 X 4.70 X 8.70 Inches
1.02 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

BUILT FOR FASTEST MULTI-GIG SPEEDS: Best for cable provider plans up to 2.5Gbps

COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including Xfinity, COX and Spectrum. NOT compatible with Verizon, ATandT, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.

WORKS WITH ANY WIFI ROUTER, BEST WITH WIFI 6: Connect any WiFi router to this modem’s Ethernet port to support all your wireless devices. For the fastest Internet, connect to a NETGEAR WiFi 6 router or Orbi Mesh system.

MULTI-GIG ETHERNET: 1 x 2.5Gbps Ethernet port for the fastest, true multi-gig Internet connections.

SAVE MONTHLY RENTAL FEES: Replaces your cable modem saving you up to dollar 168/yr in equipment rental fees.

MODEM TECHNOLOGY: Engineered with DOCSIS 3.1 32x8 channel bonding and OFDM(A) 2x2.

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-Up With Surfboard Central App | 2 Year Warranty

ARRIS
SB6190
5.25 X 1.75 X 5.13 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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.

Netgear Gigabit Cable Modem (32X8) Docsis 3.1 | For Xfinity By Comcast, Cox. Compatible With Gig-Speed From Xfinity - Cm1000-1Aznas (Renewed)

NETGEAR
MORZA/VA179
10.24 X 7.24 X 4.53 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Kanga Supply 9.72

Features

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

Netgear Cable Modem Docsis 3.0 (Cm700-1Aznas) Compatible With All Major Cable Providers Including Xfinity, Spectrum, Cox, For Cable Plans Up To 800 Mbps

NETGEAR
CM700-1AZNAS
1.70 X 6.60 X 5.20 Inches
0.55 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Sandrews Retail Heaven 5.27

Features

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 CM700-1AZNAS replaces your cable modem saving you up to 168 Dollars/year in equipment rental fees.

Speeds by carrier: Xfinity (up to 800Mbps), Cox (up to 500Mbps), Spectrum (up to 400Mbps).

Works with any Wi-Fi router: Connect any Wi-Fi 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 Wi-Fi router.

Modem technology: Engineered with 32x8 channel bonding, OFDM 2x2, and DOCSIS 3.1.

System Requirements : Cable broadband Internet service, 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

Arris Surfboard Sb8200-Rb Docsis 3.1 Cable Modem | Approved For Comcast Xfinity, Cox, Charter Spectrum, & More | Two 1 Gbps Ports | 1 Gbps Max Internet Speeds | 4 Ofdm Channels (Renewed)

ARRIS
SB8200-RB
1.65 X 5.24 X 5.24 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Arris Surfboard Sbg8300 Docsis 3.1 Gigabit Cable Modem & Ac2350 Wi-Fi Router | Comcast Xfinity, Cox, Spectrum & More | Four 1 Gbps Ports | 1 Gbps Max Internet Speeds | 4 Ofdm Channels 2 Year Warranty

ARRIS
SBG8300
2.87 X 8.00 X 9.33 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

A Trusted Name in Home Connectivity: Get high speeds, low latency, and a two-in-one product! With the ARRIS SURFboard SBG8300 Wi-Fi Cable Modem, you will increase your network capability and get ultra-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 3.1 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: 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 SBG8300 is compatible with major U.S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity (Gigabit/Gigabit x2) 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 SBG8300 Cable Modem, Power Supply, Quick-Start guide, and 2-year warranty card.

Router Technology: Features four 1-Gigabit ethernet ports and delivers Wi-Fi 5 speeds up to 2.3 Gbps (2,350 Mbps).

Dedicated Customer Support: Live Chat and Phone Support available 8am -1am EST.

Warranty Provided by ARRIS: Product ships with 2-Year Limited Warranty.

Top 10 modems Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Netgear 6
Arris 5
Motorola 2

Top 10 modems Brands Pie Chart


We've carried out a comprehensive analysis of 133,579 reviews on modems, using our selection criteria to identify the best options in the computers & accessories. Our findings reveal that most customers typically select modems priced around $132.42, with top brands including motorola and arris and netgear

Our team of expert editors reviewed these high-quality items and handpicked the top 13 modems for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the computers & accessories category. These include mtrlc llc, amazon.com, prime deals group, kanga supply, cts warehouse, edco and corewireless and sandrews retail heaven .

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