7 Best Comcast Business Modems & Routers (List of 2022)

Best Comcast Business Modems & Routers

Comcast Business is one of the largest providers of internet connections in North America. Comcast Business offers a variety of business services, including Ethernet Connections, WiFi Hotspots, and Phone Systems. One type of service that many look for but often overlook is their modem options. Comcast offers a range of broadband and voice services to residential customers, but many business owners don’t realize that Comcast also has a suite of products for businesses. This article reviews the best Comcast Business modems and provides tips on how to choose the right one for your business.

List of 7 Best Comcast Business Approved  Modems & Routers

1. ARRIS SURFboard SB8200 DOCSIS 3.1 Gigabit Cable Modem

  • The ARRIS SURFboard SB8200 DOCSIS 3.1 Gigabit Cable Modem is one of the industry’s latest products available. This modem will help make your cable internet faster up to 1 Gbps with a 2nd IP address from your provider.
  • And, it bonds channels for even more bandwidth, giving you up to 50% more speed than the competition by bonding downstream bands all the way up through upstream channels too! Stop buying pesky little modems that break down every year or two and try this upgrade!
  • This modem is equipped with two 1-Gigabit Ethernet ports, so you can easily connect all of your high-speed internet devices. Plus, it’s backward compatible with DOCSIS 2.0 and 3.0, so it will work with virtually any cable internet service provider.

2. MOTOROLA MB7420 16×4 Cable Modem

  • The MOTOROLA MB7420 16×4 Cable Modem is perfect for the tech-savvy homeowner who wants to future-proof their Internet connection. This DOCSIS 3.0 modem provides speeds up to 686 Mbps, sixteen times faster than DOCSIS 2.0, making it the perfect choice for gamers and streamers alike. Plus, a Full-Band Capture digital tuner ensures a faster, more reliable Internet connection.
  • Certified by Comcast XFINITY for residential speeds up to Extreme 300, by Comcast Business for speeds up to Deluxe 250, and other leading cable service providers that typically save some households approximately 120 dollars or more per year – setup is simple with a few short steps outlined in Quick Start Guide.

3. NETGEAR CM1000 Cable Modem

  • NETGEAR’s CM1000 is the world’s first DOCSIS 3.1 cable modem, offering speeds up to 1Gbps. Certified for use with Spectrum and Cox, it can also achieve speeds up to 800Mbps with Comcast Xfinity. With its sleek design and easy-to-use interface, the NETGEAR CM1000 lets you cut your equipment rental fees and experience the internet at lightning speeds.
  • The NETGEAR CM1000 Cable Modem is perfect for anyone looking to improve their internet connection. With its one Gigabit Ethernet port, you can easily connect it to your computer or a separate Wi-Fi router. Plus, it works with any Wi-Fi router, so you can be sure that this modem will be a perfect fit for your home network.

4. TP-Link TC7650 DOCSIS 3.0 (24×8) High Speed Cable Modem

  • TP-Link TC7650 DOCSIS 3.0 (24×8) High-Speed Cable Modem is the latest in modem technology, and it can help you cut the cord for good! It has lightning-fast speeds of up to 24 downstream and 8 upstream channels, so you can enjoy watching 4K movies and online gaming without interruption. Plus, there’s no need to rent a modem from your cable company anymore – this one’s all yours!
  • The TP-Link TC7650 DOCSIS 3.0 modem is perfect for cable internet plans 500Mbps and above. With its fast 10GHz dual-core processor, you’ll experience smoother connections while streaming and downloading large files. Plus, the 2-year warranty and free 24/7 technical support offer peace of mind.

5. ARRIS SURFboard SB6183 DOCSIS 3.0 Cable Modem

  • Marketed as one of the best cable modems on the market for speed and compatibility, ARRIS SURFboard SB6183 DOCSIS 3.0 Cable Modem is perfect for anyone who wants to get up to 400 Mbps speed with their current provider (without any hassles). The simple installation lets you upgrade your internet experience in no time at all!
  • The ARRIS SURFboard SB6183 DOCSIS 3.0 Cable Modem is perfect for anyone who wants to take advantage of the latest and greatest in cable technology. It bonds 16 downstream x 4 upstream DOCSIS channels, giving you blazing-fast speeds that are perfect for streaming video or playing online games. Plus, its Gigabit Ethernet port lets you connect a Wi-Fi router or other device with ease.

6. Motorola MB8600 DOCSIS 3.1 Cable Modem

  • The Motorola MB8600 offers DOCSIS 3.1 and DOCSIS 3.0 advances for speeds up to 10Gbps, with a 2-year warranty from the leading provider of modems in the industry. Get high-speed Internet without monthly fees by choosing this new technology that is approved by major internet providers including Comcast Xfinity and Comcast Business for all their speed tiers, even gigabit speeds – so you can connect at top speed with no lag or buffering times!
  • The Motorola MB8600 DOCSIS 3.1 Cable Modem provides flexible compatibility, so you can pair it with any Wi-Fi router of your choice, including Whole Home Wi-Fi or Mesh routers like eero, Google Wi-Fi, and Orbi.
  • The modem has a 10/100/1000 Gigabit Ethernet port to connect any SINGLE device with an Ethernet port, such as a router, Windows or Mac computer, HDTV, or game station. It also features proactive network security and QAM to reduce Internet latency on both DOCSIS 3.1 and

7. NETGEAR CM1100 Nighthawk Multi-Gig Speed Cable Modem

  • NETGEAR’s CM1100 Nighthawk cable modem is the fastest DOCSIS 3.1 cable modem on the market, connecting you with our best-in-class internet service for high resolution streaming, game playing, and high-bandwidth online activity!
  • Don’t be constrained by your modem’s limited bandwidth – upgrade today to enjoy speeds up to 940Mbps downstream and 960Mbps upstream through plugging into Gigabit Ethernet ports or Wi-Fi 802.11ac 7Gb/s wireless technology! It features an easy setup assistant for quick installation without CD needed.
  • The NETGEAR CM1100 Nighthawk Multi-Gig Speed Cable Modem is an ideal choice for streaming, gaming, and browsing the web at high speeds. The modem automatically senses when clients are on 2 different connections so that they do not interfere with each other.
  • DOCSIS 3.1 allows connections to run up to 10 times faster than DOCSIS 3.0 while OFDM downstream & OFDMA upstream channels provide fast download speeds for multiple users of your network at once!

Comcast Business Modems – 2021 List

These are all stand-alone cable modems supported by Comcast Business. No WiFi cable modems are compatible so these modems will have to be used with a router or mesh router system. Sort table by touching or clicking on column headers.

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Manufacturer Modem Model # DOCSIS 3.0 / 3.1 Channels Down / Up Top Speed
Arris SB6141 3.0 8×4 150 Mbps
Arris SB6183 3.0 16×4 200 Mbps
Arris SB8200 3.0 / 3.1 32×8 1000 Mbps
Motorola MB7220 3.0 8×4 150 Mbps
Motorola MB7420 3.0 16×4 200 Mbps
Motorola MB7621 3.0 24×8 300 Mbps
Motorola MB8600 (Amazon) 3.0 / 3.1 32×8 1000 Mbps
Netgear CM400 3.0 8×4 150 Mbps
Netgear CM500 3.0 16×4 200 Mbps
Netgear CM600 3.0 24×8 300 Mbps
Netgear CM1000 3.0 / 3.1 32×8 1000 Mbps
Netgear CM1100 (Amazon) 3.0 / 3.1 32×8 1000 Mbps
Netgear CM1200 3.0 / 3.1 32×8 1000 Mbps
TP-Link TC-7610 3.0 8×4 150 Mbps
TP-Link TC-7620 3.0 16×4 200 Mbps
TP-Link TC-7650 3.0 24×8 300 Mbps
Zoom Telephonics 5345 3.0 8×4 150 Mbps

Frequently Asked Questions

1. Will Comcast sell me a modem?

No, Comcast will not sell you a modem. They will lease it to you.

2. Will Comcast support my modem?

Comcast has an internal database of approved modems that they maintain and update regularly. If your modem is not on this internal list, Comcast WILL NOT SUPPORT YOUR MODEM! No comical methods are available for getting around comCASTS draconian measures for ensuring the leasing of Comcast-approved modems ONLY (which they do not rent).


We have compiled a list of the best modems and routers for Comcast Business. These products are ranked by price, so you can find what is right for your budget. Whether you need a new modem or just want to upgrade to an old one, we hope that this article helps in finding the perfect product! If you’re still not sure which model is ideal for your needs, check out our breakdown below with more information about each device. Which business-grade cable modem & router would be best suited for your company? Contact us today to get started on selecting the optimal option from this list!

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