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What Modems Are Compatible With Comcast? [5 Best Comcast Approved Modems]

Out of the 40 percent of the total cable broadband internet connections, Comcast is the most popular ISP in the US. This also means it’s not at all difficult to get a Comcast compatible modem router. 

There is a wide variety of Comcast approved modems on the market, but those meeting the criteria set by the ISP are the real keepers. The ISP recommends a download speed ranging between 25mbps to 1000mbps. Any modem touching the ballpark is a right pick from the pack. 

However, this isn’t the only criteria. Quality is also an important deciding factor. Two modems with the same downloading speed can have differences in quality.
To find the best Comcast certified modems, we compared a dozen of them in many ways to bring you the best five. We tapped into the knowledge and opinions of certified professionals and waded through hundreds of customer reviews. In the end, we unanimously agreed that D-Link DCM-301 is the modem compatible with Comcast that will delight most users.

Preview
Editor's Choice
D-Link DOCSIS 3.0 Cable Modem (DCM-301) Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and More
Best for Ultra-High Internet Speed
ARRIS SURFboard SVG2482AC DOCSIS 3.0 Cable Modem & AC1750 dual-band Wi-Fi Router with Voice, Certified for Xfinity Internet & Voice (white)
Best for High-Bandwidth Apps
Motorola MG7550 16x4 Cable Modem Plus AC1900 Dual Band WiFi Gigabit Router with Power Boost and DFS, 686 Mbps Maximum DOCSIS 3.0 - Approved by Comcast Xfinity, Cox, Charter Spectrum, More (Black)
Title
D-Link DOCSIS 3.0 Cable Modem (DCM-301) Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and More
ARRIS SURFboard SVG2482AC DOCSIS 3.0 Cable Modem & AC1750 dual-band Wi-Fi Router with Voice, Certified for Xfinity Internet & Voice (white)
Motorola MG7550 16x4 Cable Modem Plus AC1900 Dual Band WiFi Gigabit Router with Power Boost and DFS, 686 Mbps Maximum DOCSIS 3.0 - Approved by Comcast Xfinity, Cox, Charter Spectrum, More (Black)
Ratings
Reviews
676 Reviews
1,768 Reviews
3,763 Reviews
Price
$59.99
$129.09
$127.38
Prime Benefits
-
Editor's Choice
Preview
D-Link DOCSIS 3.0 Cable Modem (DCM-301) Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and More
Title
D-Link DOCSIS 3.0 Cable Modem (DCM-301) Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and More
Ratings
Reviews
676 Reviews
Price
$59.99
Prime Benefits
More Information
Best for Ultra-High Internet Speed
Preview
ARRIS SURFboard SVG2482AC DOCSIS 3.0 Cable Modem & AC1750 dual-band Wi-Fi Router with Voice, Certified for Xfinity Internet & Voice (white)
Title
ARRIS SURFboard SVG2482AC DOCSIS 3.0 Cable Modem & AC1750 dual-band Wi-Fi Router with Voice, Certified for Xfinity Internet & Voice (white)
Ratings
Reviews
1,768 Reviews
Price
$129.09
Prime Benefits
-
More Information
Best for High-Bandwidth Apps
Preview
Motorola MG7550 16x4 Cable Modem Plus AC1900 Dual Band WiFi Gigabit Router with Power Boost and DFS, 686 Mbps Maximum DOCSIS 3.0 - Approved by Comcast Xfinity, Cox, Charter Spectrum, More (Black)
Title
Motorola MG7550 16x4 Cable Modem Plus AC1900 Dual Band WiFi Gigabit Router with Power Boost and DFS, 686 Mbps Maximum DOCSIS 3.0 - Approved by Comcast Xfinity, Cox, Charter Spectrum, More (Black)
Ratings
Reviews
3,763 Reviews
Price
$127.38
Prime Benefits
More Information

Last update on 2020-10-24 / Affiliate links / Images from Amazon Product Advertising API

5 Best Comcast Approved Modems

1. D-Link DCM-301EDITOR’S CHOICE

If you are looking for a low budget compatible Comcast modems for wired connectivity, you can go for this device. This can be the best budget modem for small businesses and homes with one computer. If you need Wi-Fi to connect more devices, just get a Wi-Fi router. Plugin the Comcast Ethernet cable to the modem and its gigabit Ethernet port to your desktop and enjoy unlimited data.

Why is it unique?

What makes it unique is that it is a basic modem without any router or other functionality, but is powered by DOCSIS 3.0 and offers channel bonding. It has indicators in the front panel that indicate power, download, upload, channel bonding, LAN, and online. It provides a maximum download speed of 434 Mbps and a maximum upload speed of 150 Mbps. So, you can surf the internet pretty smoothly with minimal latency. 

Buyer’s Experience

Buyers have liked its ease of installation and performance. In fact, it has a robust performance and offers fast speed.  

Best Fit For:

It is the best fit for Comcast’s low tire plans delivering up to 100mbps download speed. 

Pros

8 x 4 bonded channels offer high speed
1 Gigabit Ethernet port for wired networking 
Cost-effective

Cons

Speed is not high. You can hardly go for online gaming or video streaming.
No Wi-Fi router

D-Link DOCSIS 3.0 Cable Modem (DCM-301) Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and More
676 Reviews
D-Link DOCSIS 3.0 Cable Modem (DCM-301) Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and More
  • Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more; Requires Cable Internet Service
  • Not compatible with: Verizon, AT&T, or CenturyLink

Last update on 2020-10-24 / Affiliate links / Images from Amazon Product Advertising API

2. ARRIS SURFboard SVG2482AC DOCSIS 3.0 Cable Modem

Why make separate investments in a modem or a Wi-Fi router when you can have both of them wrapped in one? ARRIS SURFboard SVG2482AC brings the best of both worlds. Plugin this modem-cum-Wi-Fi-router to your Comcast Ethernet cable and enjoy speedy Wi-Fi connection.

Why is it Unique?

Arris SURFboard SVG2482AC is the first retail Wi-Fi modem designed to work ideally with Comcast Internet and Voice Service. It features Rdk-b, open-source software designed to accelerate the delivery of the latest broadband and entertainment services. It enables Comcast to efficiently deliver next-generation services and products directly to the device and help users stay ahead. This is undoubtedly one of the best performance modems around if you want a good Wi-Fi signal along with a VoIP facility. 

It is a DOCSIS 3.0 modem with a dual-band AC1750 Wi-Fi router. It features Wi-Fi speeds up to 1750mbps, download speeds of up to 1gbps, two telephone lines for VoIP facility, and four ports for Ethernet routing in case you are not using Wi-Fi. It has 24 download and eight upload bonded channels with a maximum download speed of 1gbps. 

So, the modem offers a robust Wi-Fi network for online gaming, video streaming, and other high-bandwidth applications without a separate Gigabit Ethernet connection. 

Buyer’s Experience

Buyers have given thumbs up to this modem for its ease of installation and Wi-Fi signal. Millions trust it for online gaming and video streaming. 

Best Fit For

It is a best fit for Comcast internet plans delivering up to 600mbps download speed. Moreover, if you are subscribing to a Triple Play bundle, this is for you since these plans bundle TV, internet and telephone.

Pros

24 x 8 bonded channels offer high speed
4 Gigabit Ethernet ports for wired networking
2 VoIP ports
Good Wi-Fi signal
2 USB ports

Cons

Speed does not go up to 600mbps even if you are using a plan with the same speed.
Vulnerable to DoS attacks
Sale
ARRIS SURFboard SVG2482AC DOCSIS 3.0 Cable Modem & AC1750 dual-band Wi-Fi Router with Voice, Certified for Xfinity Internet & Voice (white)
1,768 Reviews
ARRIS SURFboard SVG2482AC DOCSIS 3.0 Cable Modem & AC1750 dual-band Wi-Fi Router with Voice, Certified for Xfinity Internet & Voice (white)
  • 4 products in 1: DOCSIS 3. 0 Cable Modem, AC1750 Wi-Fi Access Point, 4-Port Gigiabit Ethernet Router & Xfinity Telephony Modem.
  • Approved for use with Xfinity internet & voice service. Not compatible with any other cable internet provider.

Last update on 2020-10-24 / Affiliate links / Images from Amazon Product Advertising API

3. Motorola MG7550 Cable Modem

Motorola MG7550 Cable Modem is a modem and router combo that saves money and helps you do away with the need to manage a cluster of wires. Plugin this machine to your Comcast Ethernet cable and experience gaming/video streaming at an incredible pace!

Why is it Unique?

What makes this a unique choice is that it has a built-in Wireless Power Boost feature that provides secure Wi-Fi service to a variety of devices like smartphones, tablets, computers, Chromecast, etc. It also incorporates the AnyBeam Beamforming feature at 2.5 GHz as well as 5.0 GHz frequencies; this enhances performance and range. It also provides a wired connection to game stations, Apple TV, Roku, HDTV, etc.

It is a DOCSIS 3.0 modem with a dual-band AC1600 Wi-Fi router. It features Wi-Fi speeds up to 686 Mbps and four ports for Ethernet routing in case you are not using Wi-Fi. It has 16 download and eight upload bonded channels with a maximum download speed of 686 Mbps. 

So, the modem offers a robust Wi-Fi network for online gaming, video streaming, and other high-bandwidth applications without a separate Gigabit Ethernet connection. 

Buyer’s Experience

Buyers have given a Thumbs Up to its ease of installation, Wi-Fi signal, ease of use, and quality of the material. It is a go-to device for anyone who needs an insane pace for gaming and video streaming gigs. 

Best Fit For

It is a best fit for Comcast internet plans delivering up to 375 Mbps download speed. It is suitable for Double Play package consumers, having TV and internet bundle.

Pros

16 x 8 bonded channels offer high speed
4 Gigabit Ethernet ports for wired networking
Good Wi-Fi signal
Prevents DoS attacks

Cons

Too lightweight that it tends to fall over when multiple devices are connected.
The dual-band AC1600 router does not offer high speed for online gaming or HD video streaming. 

Sale
Motorola MG7550 16x4 Cable Modem Plus AC1900 Dual Band WiFi Gigabit Router with Power Boost and DFS, 686 Mbps Maximum DOCSIS 3.0 - Approved by Comcast Xfinity, Cox, Charter Spectrum, More (Black)
3,763 Reviews
Motorola MG7550 16x4 Cable Modem Plus AC1900 Dual Band WiFi Gigabit Router with Power Boost and DFS, 686 Mbps Maximum DOCSIS 3.0 - Approved by Comcast Xfinity, Cox, Charter Spectrum, More (Black)
  • 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 firewallDFS, Power Boost, and more. This product is...
  • 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....

Last update on 2020-10-24 / Affiliate links / Images from Amazon Product Advertising API

4. NETGEAR Nighthawk AC1900 C7000

NETGEAR Nighthawk is a 2-in-1 cable modem and router combo that offers speeds of up to 960Mbps for high-quality video streaming and online gaming. It saves money on account of a separate router and also frees you from the clutter of wires. Just plug in this modem cum Wi-Fi router to your Comcast Ethernet cable and enjoy a fast Wi-Fi connection.

Why is it Unique?

What makes this modem cum Wi-Fi router a unique choice is that it is not just a high-speed modem; it has an AC1900 router that can provide 1800 sq ft of wireless coverage and can power up to 30 devices connected to the network. This indeed is one of the best for gamers modem and router combo. 

This is a DOCSIS 3.0 modem with a dual-band AC1900 Wi-Fi router. It features Wi-Fi speeds up to 960 Mbps and four ports for Ethernet routing in case you are not using Wi-Fi. It has 24 download and eight upload bonded channels with a maximum download speed of 960 Mbps. The modem offers a robust Wi-Fi network for online gaming, video streaming, and other high-bandwidth applications. 

Buyer’s Experience

Buyers have given a Thumbs Up to its ease of installation, Wi-Fi signal, ease of use, and durability.

Best Fit For

It is a best fit for Comcast internet plans delivering up to 400 Mbps speed.

Pros

24 x 8 bonded channels offer high-speed internet
4 Gigabit Ethernet ports for wired networking
Good Wi-Fi signal
2 USB ports for fast wired connection for a printer, computer, etc.

Cons

USB 2.0 ports are slow; don’t offer fast data connection to printers, computers, etc.
Tech support is not commendable
Sale
NETGEAR Nighthawk Cable Modem WiFi Router Combo C7000-Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 400 Mbps | AC1900 WiFi Speed | DOCSIS 3.0
9,602 Reviews
NETGEAR Nighthawk Cable Modem WiFi Router Combo C7000-Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 400 Mbps | AC1900 WiFi Speed | DOCSIS 3.0
  • 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...
  • Save monthly rental fees: Model C7000 replaces your cable modem and Wi-Fi router saving you up to $168/year in equipment rental fees.

Last update on 2020-10-24 / Affiliate links / Images from Amazon Product Advertising API

5. ARRIS SURFboard SBG7400AC2 DOCSIS 3.0 Cable Modem

This cable modem offers the opportunity to play online games and watch HD streaming movies in the high-frequency band while also surfing the internet and doing other staff using the low-frequency band. This is due to the built-in dual-band concurrent router.

It offers speeds of up to 960Mbps for high-quality video streaming and online gaming. Moreover, it saves money on account of a separate router and frees you from the clutter of wires. Just plug in this modem cum Wi-Fi router to your Comcast Ethernet cable and enjoy a fast Wi-Fi connection. 

Why is it Unique?

What makes this modem cum Wi-Fi router a unique choice is that it has a built-in AC2350 dual-band concurrent router. Concurrent routers have an added advantage, especially for consumers using data-heavy applications like HD video streaming, online gaming, etc. They let consumers use both bands simultaneously. Since it is an AC2350 dual-band router, it offers high speed in the 5 GHz band. This indeed makes it one of the best performance modem and router combos around when it comes to using both low and high bandwidth applications simultaneously. 

This is a DOCSIS 3.0 modem with a dual-band AC2350 concurrent Wi-Fi router. It features Wi-Fi speeds up to 960 Mbps and four ports for Ethernet routing in case you are not using Wi-Fi. It has 24 download and eight upload bonded channels with a maximum download speed of 960 Mbps. The modem offers a robust Wi-Fi network for a combination of high and low-bandwidth applications.

Buyer’s Experience

Buyers have liked its ease of installation, Wi-Fi signal, ease of use, and user interface. Millions trust it for using a combination of high and low bandwidth devices in the network.

Best Fit For

It is a best fit for Comcast internet plans delivering up to 600mbps speed.

Pros

24 x 8 bonded channels offer high-speed internet
4 Gigabit Ethernet ports for wired networking
Good Wi-Fi signal
Simultaneous high and low bandwidth usage
1 USB port for fast wired connection for a printer, computer, etc.

Cons

Wi-Fi coverage is poor.
No app to control Wi-Fi access to all devices in the network
Sale
ARRIS SURFboard SBG7400AC2 DOCSIS 3.0 Cable Modem & AC2350 Dual-Band Wi-Fi Router, Approved for Cox, Spectrum, Xfinity & others (black)
1,790 Reviews
ARRIS SURFboard SBG7400AC2 DOCSIS 3.0 Cable Modem & AC2350 Dual-Band Wi-Fi Router, Approved for Cox, Spectrum, Xfinity & others (black)
  • 3 products in 1: DOCSIS Cable Modem, AC2350 dual-band Wi-Fi, 4 port Gigabit Router (cable digital voice service not supported)
  • Compatible with major U.S. Cable Internet Providers including Cox, Spectrum, Xfinity & others. Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers

Last update on 2020-10-24 / Affiliate links / Images from Amazon Product Advertising API

What to Factor In Before Buying a Comcast Acceptable Modem?

  1. Speed

The higher the speed of a modem, the better it is. A modem that provides high-speed internet connectivity makes you capable of doing several things, like surfing the internet, online gaming, HD video streaming, and more without any drops, hiccups, or screen tearing of any kind. Many online tools can help you determine the internet speed. Try them. 

  1. Channel Bonding

Channel bonding is an aspect a layperson may overlook. Simply speaking, it’s a term given to multiple channels working together to transfer as much data as possible. More channels cost more money, so try choosing a modem with channels that align with your internet plan. 

  1. DOCSIS Technology

DOCSIS stands for ‘Data Over Cable Service Interface Specification’ and determines the volumes of data sent through coaxial cable at once.

D-Link DOCSIS 3.0 Cable Modem (DCM-301) Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and More
676 Reviews
D-Link DOCSIS 3.0 Cable Modem (DCM-301) Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and More
  • Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more; Requires Cable Internet Service
  • Not compatible with: Verizon, AT&T, or CenturyLink

Last update on 2020-10-24 / Affiliate links / Images from Amazon Product Advertising API

Final Words

That’s a wrap to our guide on the best Comcast approved modems to buy in 2020. With the prevalence of work from home culture, we feel it’s essential for you to buy a device that doesn’t get glitchy. Try any of these and let us know about your experiences. If you think there’s something else we can add here to make this guide more informative, kindly post your suggestions in the comment section below. In the meantime, keep reading more reviews of everyday items and products here.

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