Best Modem For Comcast Xfinity (and Helpful Buying Tips)

Newton Keebler
  Sep 23, 2023 11:02 AM

The Comcast Xfinity modem is a high-performance modem designed for use with the Comcast high-speed internet service. It provides fast, reliable internet access with speeds up to 600 Mbps. The modem has advanced features such as dual-band Wi-Fi, four Ethernet ports, and support for DOCSIS 3.0 and IPv6 to ensure a high-speed connection.

The modem is also compatible with Xfinity Voice, allowing customers to make and receive phone calls over their internet connection. It is easy to set up and can be used with most major operating systems. With the Comcast Xfinity modem, users can enjoy an enhanced online experience with fast and reliable internet.

Best Modem For Comcast Xfinity (and Helpful Buying Tips)
The best modem for Comcast Xfinity is the ARRIS SURFboard SB8200.. Image source: Amazon.com

Top Options

NoImageProductScoreCheck
1Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem | Pairs with Any WiFi Router | Approved for Comcast Xfinity, Cox Gigablast, Spectrum | 2.5 Gbps Port | 2500 Mbps Max Internet Speeds Best Overall: Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem9.7Check Price
2NETGEAR Nighthawk Xfinity Modem with Voice (CM2050V) Cable Modem DOCSIS 3.1 Gigabit, Supports Cable Plans Up to 2.5 Gbps, 2 Phone Lines Best For Voice Service: NETGEAR Nighthawk Xfinity Modem8.9Check Price
3MOTOROLA MG7540 16x4 Cable Modem Plus AC1600 Dual Band Wi-Fi Gigabit Router with DFS, 686 Mbps Maximum DOCSIS 3.0 - Approved by Comcast Xfinity, Cox, Charter Spectrum, More Best Modem Router Combo: MOTOROLA MG7540 16x4 Cable Modem Plus AC1600 Dual Band Wi-Fi Gigabit Router9Check Price
4MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More Best Budget Option: MOTOROLA 16x4 Cable Modem9.5Check Price
5Motorola MT8733 WiFi 6 Router + Multi-Gig Cable Modem + 2 Phone Ports | for Comcast Xfinity Voice and Gigabit Internet Plans Up to 2500 Mbps | AX6000 | DOCSIS 3.1 | with Smart Motosync App Best Value: Motorola MT8733 WiFi 6 Router + Multi-Gig Cable Modem + 2 Phone Ports9.4Check Price

#1 Best Overall:Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem

The Motorola MB8611 is a DOCSIS 3.1 multi-gig cable modem that is capable of delivering ultra-fast internet speeds. It is designed to pair with any WiFi router, making it an ideal choice for your home or office. This modem is approved for use with Comcast Xfinity, Cox Gigablast and Spectrum, offering maximum speeds of up to 2.5 Gbps and a maximum internet speed of 2500 Mbps. It is easy to install and is equipped with LED lights that indicate the status of the modem's connection. Get the most out of your internet service with the Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem.

#2 Best For Voice Service:NETGEAR Nighthawk Xfinity Modem

The NETGEAR Nighthawk Xfinity Modem with Voice (CM2050V) is the perfect cable modem for your home or small business. This DOCSIS 3.1 Gigabit modem supports cable plans up to 2.5 Gbps, so you can enjoy blazing-fast internet speeds. Plus, it comes with two phone lines, so you can make and take calls over your internet connection. With its advanced features and easy setup, you can quickly and easily get connected to your ISP. Enjoy superior internet speeds and reliable performance with NETGEAR Nighthawk Xfinity Modem with Voice (CM2050V)!

#3 Best Modem Router Combo:MOTOROLA MG7540 16x4 Cable Modem Plus AC1600 Dual Band Wi-Fi Gigabit Router

The Motorola MG7540-10 is the ideal choice for your home networking needs. This powerful 16x4 DOCSIS 3.0 cable modem is capable of delivering speeds up to 686 Mbps, making it perfect for streaming HD videos, faster downloads, and high-speed online gaming. It also comes with an AC1600 dual-band Wi-Fi router with DFS, which means you can enjoy a high-performance, secure, and reliable wireless connection throughout your home. And, it's certified for use with major cable internet providers like Comcast Xfinity, Cox, and Charter Spectrum. So forget about monthly rental fees and get the MG7540-10 for your home today!

#4 Best Budget Option:MOTOROLA 16x4 Cable Modem

The Motorola MB7420-10 is a high-performance 16x4 DOCSIS 3.0 cable modem that provides speeds up to 686 Mbps. This modem is certified by cable internet providers like Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, and BrightHouse, and is compatible with most major cable providers in the U.S. It's designed to provide high-speed internet access with maximum reliability and performance. The modem has four 10/100/1000 Gigabit Ethernet ports to connect multiple devices, and also includes a coax cable for easy installation. The Motorola MB7420-10 is an ideal solution for home or small office networking needs.

#5 Best Value:Motorola MT8733 WiFi 6 Router + Multi-Gig Cable Modem + 2 Phone Ports

The Motorola AX6000 is the ultimate solution for achieving ultra-fast internet speeds. With its powerful DOCSIS 3.1 modem and a powerful WiFi 6 router, this device offers superior performance for Xfinity Voice and Gigabit Internet Plans up to 2500 Mbps. The Multi-Gig Cable Modem ensures reliable and consistent connection speeds, while the two phone ports provide added convenience. This device also comes with the Smart MotoSync app, which allows easy setup and management of your network. With the Motorola AX6000, you can experience the fastest and most reliable internet connection available.

1
Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem | Pairs with Any WiFi Router | Approved for Comcast Xfinity, Cox Gigablast, Spectrum | 2.5 Gbps Port | 2500 Mbps Max Internet Speeds
  • Our Rating

    Our Rating is a ranking system developed by SidHaig.com. Our Rating has no relationship or impact from any manufacturers or sales agent websites. Learn more

    9.7
  • Brand
    Motorola
2
NETGEAR Nighthawk Xfinity Modem with Voice (CM2050V) Cable Modem DOCSIS 3.1 Gigabit, Supports Cable Plans Up to 2.5 Gbps, 2 Phone Lines
  • Our Rating

    Our Rating is a ranking system developed by SidHaig.com. Our Rating has no relationship or impact from any manufacturers or sales agent websites. Learn more

    8.9
  • Brand
    NETGEAR
3
MOTOROLA MG7540 16x4 Cable Modem Plus AC1600 Dual Band Wi-Fi Gigabit Router with DFS, 686 Mbps Maximum DOCSIS 3.0 - Approved by Comcast Xfinity, Cox, Charter Spectrum, More
  • Our Rating

    Our Rating is a ranking system developed by SidHaig.com. Our Rating has no relationship or impact from any manufacturers or sales agent websites. Learn more

    9.0
  • Brand
    Motorola
4
MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More
  • Our Rating

    Our Rating is a ranking system developed by SidHaig.com. Our Rating has no relationship or impact from any manufacturers or sales agent websites. Learn more

    9.5
  • Brand
    Motorola
5
Motorola MT8733 WiFi 6 Router + Multi-Gig Cable Modem + 2 Phone Ports | for Comcast Xfinity Voice and Gigabit Internet Plans Up to 2500 Mbps | AX6000 | DOCSIS 3.1 | with Smart Motosync App
  • Our Rating

    Our Rating is a ranking system developed by SidHaig.com. Our Rating has no relationship or impact from any manufacturers or sales agent websites. Learn more

    9.4
  • Brand
    Motorola
6
Motorola MB8600 DOCSIS 3.1 Cable Modem - Approved for Comcast Xfinity, Cox, and Charter Spectrum, Supports Cable Plans up to 1000 Mbps | 1 Gbps Ethernet Port
  • Our Rating

    Our Rating is a ranking system developed by SidHaig.com. Our Rating has no relationship or impact from any manufacturers or sales agent websites. Learn more

    9.1
  • Brand
    Motorola
7
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
  • Our Rating

    Our Rating is a ranking system developed by SidHaig.com. Our Rating has no relationship or impact from any manufacturers or sales agent websites. Learn more

    8.7
  • Brand
    ARRIS
8
NETGEAR Nighthawk Cable Modem WiFi Router Combo C7000-Compatible with Cable Providers Including Xfinity by Comcast, Spectrum, Cox for Cable Plans Up to 800Mbps | AC1900 WiFi Speed | DOCSIS 3.0
  • Our Rating

    Our Rating is a ranking system developed by SidHaig.com. Our Rating has no relationship or impact from any manufacturers or sales agent websites. Learn more

    8.4
  • Brand
    NETGEAR
9
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 and Voice
  • Our Rating

    Our Rating is a ranking system developed by SidHaig.com. Our Rating has no relationship or impact from any manufacturers or sales agent websites. Learn more

    8.6
  • Brand
    Motorola
10
Netgear Nighthawk Cable Modem WiFi Router Combo C7000-Compatibility Cable Providers including Xfinity by Comcast, Spectrum, Cox (Renewed)
  • Our Rating

    Our Rating is a ranking system developed by SidHaig.com. Our Rating has no relationship or impact from any manufacturers or sales agent websites. Learn more

    8.1
  • Brand
    NETGEAR
11
NETGEAR Nighthawk Cable Modem CM1200 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet ports | DOCSIS 3.1, Black
  • Our Rating

    Our Rating is a ranking system developed by SidHaig.com. Our Rating has no relationship or impact from any manufacturers or sales agent websites. Learn more

    8.0
  • Brand
    NETGEAR
12
Netgear Gigabit Cable Modem (32x8) DOCSIS 3.1 | for XFINITY by Comcast, Cox. Compatible with Gig-Speed from Xfinity - CM1000-1AZNAS (Renewed)
  • Our Rating

    Our Rating is a ranking system developed by SidHaig.com. Our Rating has no relationship or impact from any manufacturers or sales agent websites. Learn more

    8.4
  • Brand
    NETGEAR
13
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
  • Our Rating

    Our Rating is a ranking system developed by SidHaig.com. Our Rating has no relationship or impact from any manufacturers or sales agent websites. Learn more

    8.5
  • Brand
    NETGEAR

Last update on 2023-09-23 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

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Frequently Asked Questions

NETGEAR Nighthawk Xfinity Modem with Voice (CM2050V) Cable Modem DOCSIS 3.1 Gigabit, Supports Cable Plans Up to 2.5 Gbps, 2 Phone Lines

The best modem for Comcast Xfinity is the Arris Surfboard SB8200. Image source: Amazon.com

What is the fastest modem available for Comcast Xfinity?

The fastest modem currently available for Comcast Xfinity is the Arris SURFboard SB8200. This modem supports speeds up to 2 Gbps (2000 Mbps).

What features should I look for when choosing a modem for Comcast Xfinity?

1. Compatibility: Make sure that the modem you are purchasing is compatible with Comcast Xfinity.

2. Speed: Make sure the modem you are purchasing is fast enough to support the speeds that you need.

3. Number of Ports: Make sure the modem you are purchasing has enough ports to accommodate all of your devices.

4. Price: Make sure that the modem is within your budget.

5. Quality: Make sure the modem you are purchasing is a high quality brand.

6. Customer Service: Make sure the manufacturer of the modem you are purchasing has good customer service and support.

Are there any compatible modems that are wireless?

Yes, there are a few different types of wireless modems that are compatible with different types of internet connections. Examples include LTE and 4G modems, which are compatible with mobile networks, and Wi-Fi modems, which are compatible with wireless internet connections.

Are there any modems that are compatible with Comcast Xfinity and offer Voice services?

Yes, there are several modems that are compatible with Comcast Xfinity and offer Voice services. These include the Arris TM722G, the Arris TM822G, the Arris TM1602, the Arris TG1682G, and the Technicolor TC8717T.

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Final Thoughts

MOTOROLA MG7540 16x4 Cable Modem Plus AC1600 Dual Band Wi-Fi Gigabit Router with DFS, 686 Mbps Maximum DOCSIS 3.0 - Approved by Comcast Xfinity, Cox, Charter Spectrum, More

The best modem for Comcast Xfinity is the Arris Surfboard SB8200. Image source: Amazon.com

I believe Motorola MB8611 DOCSIS 3.1 Multi-Gig Cable Modem is the Best modem for comcast xfinity because it provides fast speeds and reliable connectivity. It is also compatible with the latest Xfinity internet plans, giving users access to the highest speeds available. The modem also comes with a two-year warranty, ensuring that any problems with the modem will be fixed free of charge. Overall, it is an excellent choice for Comcast Xfinity users.