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10 Best xfinity modem

Welcome to our top 10 product reviews for xfinity modem. We've scoured the market to bring you the best of the best, with products ranging from a 8.1 score up to a whopping 9.8 score!

Updated November 2025
2
Hitron CODA56 Multi-Gigabit DOCSIS 3.1 Modem | 2.5 Gbps Max Internet Speeds | Certified with Xfinity, Charter Spectrum, Cox & More | 2.5 Gbps Ethernet Cable Modem (Renewed)
9.6
Excellent

Hitron CODA56 Multi-Gigabit DOCSIS 3.1 Modem | 2.5 Gbps Max Internet Speeds | Certified with Xfinity, Charter Spectrum, Cox & More | 2.5 Gbps Ethernet Cable Modem (Renewed)

Main Highlights

SUPPORTS INTERNET PLANS up to 2.5 Gbps - Unlock the potential of your internet plan with speeds of up to 2.5 Gbps – that's a whopping 10 times faster than DOCSIS 3.0.

2.5 GIGABIT ETHERNET PORT provides more speed to your router. Take full advantage of your faster speeds when you connect your router, access points or wifi mesh system.

PAIR WITH ANY WIFI ROUTER or WIFI MESH to connect all of your WiFi devices to the Internet and harness 2.5 Gbps speeds to your end devices! This cable Internet modem does NOT have built-in WiFi.

DITCH THE RENTAL FEES - Say goodbye to those pesky modem rental fees by switching to the CODA56. Replacing your leased DOCSIS 3.1 modem can save you up to $168 a year. (Savings may vary by provider).

CERTIFIED TO WORK WITH Comcast Xfinity, Comcast Xfinity Business, Charter Spectrum, Cox Gigablast, Cable One Sparklight, and Zito Media. Also works with Astound, Grande, RCN, and Wave. Check your Internet Service Provider (ISP) website to confirm compatibility.

DOES NOT WORK WITH DSL, Fiber, Fixed Wireless or Satellite Services. Please note that this internet modem is not compatible with AT&T, Verizon, CenturyLink, Google Fiber, DSL providers, DISH, DirecTV, or any bundled voice service.

FASTER GAMING AND STREAMING - Elevate your gaming, streaming, and videoconferencing experiences with next-generation DOCSIS 3.1 technology. Benefit from 2 downstream and 2 upstream OFDM DOCSIS 3.1 channels, reducing latency in DOCSIS 3.1 devices for smoother, uninterrupted online activities.

WORKS IN DOCSIS 3.0 - This multi-gigabit modem isn't just limited to DOCSIS 3.1 networks. It's designed to work seamlessly with both DOCSIS 3.1 and DOCSIS 3.0 networks.

A LEGACY OF PERFORMANCE AND TRUST - With over 30 years of experience, Hitron is a global pioneer in DOCSIS 3.1 modems and routers, a trusted expert known for delivering performance and reliability.

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9.6
Excellent
amazon

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3
Hitron CODA56 DOCSIS 3.1 Modem TPIA Rogers/Shaw/Eastlink/Videotron (Not for Cogeco)
9.5
Excellent

Free Shipping

Hitron CODA56 DOCSIS 3.1 Modem TPIA Rogers/Shaw/Eastlink/Videotron (Not for Cogeco)

Main Highlights

DOCSIS 3.1

TPIA for Rogers, Shaw, Eastlink, and Videotron (Not for Cogeco)

Product for third party internet serivce providers in Canada only, please confirm with your provider for compatibility first

SUPPORTS INTERNET PLANS up to 2.5 Gbps - Unlock the potential of your internet plan with speeds of up to 2.5 Gbps – that's a whopping 10 times faster than DOCSIS 3.0.

2.5 GIGABIT ETHERNET PORT provides more speed to your router. Take full advantage of your faster speeds when you connect your router, access points or wifi mesh system.

PAIR WITH ANY WIFI ROUTER or WIFI MESH to connect all of your WiFi devices to the Internet and harness 2.5 Gbps speeds to your end devices! This cable Internet modem does NOT have built-in WiFi.

FASTER GAMING AND STREAMING - Elevate your gaming, streaming, and videoconferencing experiences with next-generation DOCSIS 3.1 technology. Benefit from 2 downstream and 2 upstream OFDM DOCSIS 3.1 channels, reducing latency in DOCSIS 3.1 devices for smoother, uninterrupted online activities.

WORKS IN DOCSIS 3.0 - This multi-gigabit modem isn't just limited to DOCSIS 3.1 networks. It's designed to work seamlessly with both DOCSIS 3.1 and DOCSIS 3.0 networks.

A LEGACY OF PERFORMANCE AND TRUST - With over 30 years of experience, Hitron is a global pioneer in DOCSIS 3.1 modems and routers, a trusted expert known for delivering performance and reliability.

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9.5
Excellent
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5
Hitron CODA DOCSIS 3.1 Modem | Certified with Comcast Xfinity, Charter Spectrum, Cox | 10x Faster Than DOCSIS 3.0 | Cable Modem with 1 Gbps Ethernet Port (Renewed)
9.1
Very Good

Hitron CODA DOCSIS 3.1 Modem | Certified with Comcast Xfinity, Charter Spectrum, Cox | 10x Faster Than DOCSIS 3.0 | Cable Modem with 1 Gbps Ethernet Port (Renewed)

Main Highlights

SUPPORTS INTERNET PLANS up to 1 Gbps. Compatible with Cable Internet service plans up to 1 Gbps, ensuring fast and reliable connectivity for all your devices.

WORKS WITH WIFI ROUTERS 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 WIFI 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, Comcast Xfinity Business, Charter Spectrum, Cox Gigablast, CableOne Sparklight, Cogeco Breezeline and Zito Media. Also works with Astound, Grande, RCN and Wave. Check your Internet Service Provider (ISP) website to confirm compatibility.

NOT COMPATIBLE with AT&T, Verizon, CenturyLink, DISH, DirecTV, Optimum, StarLink and any bundled voice service. Does NOT WORK with DSL, Fiber, Fixed Wireless or Satellite Services.

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.

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.

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.

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9.1
Very Good
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Why Trust One Clear Winner?

One Clear Winner spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own.

About One Clear Winner

How We Tested

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

Learn more about testing

51

Products Considered

62

Consumers Consulted

24

Hours Researched

Why Trust One Clear Winner?

One Clear Winner spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own.

About One Clear Winner

How We Tested

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

Learn more about testing

51

Products Considered

62

Consumers Consulted

24

Hours Researched

6
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
8.8
Good

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

Main Highlights

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.

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8.8
Good
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