Comcast Business Cable Modems

Comcast Business customers can buy their own cable modem under certain circumstances. Compare Comcast Business modems here and get rid of the extra monthly fees. Easily find the best modem for your service. If you have internet-only service and none of the following, you can use your own modem.

  • Internet with Static IPPno
  • Internet with Connection ProPno
  • Internet with SmartOfficePno
  • Internet with WiFi ProPno
  • Internet with Security Edge 

Business Modem For Tiers Up To 300 Mbps

Netgear CM500 Comcast Business Modem
  • Compatible with Basic Connect, Starter, Deluxe 25, Deluxe 50, Business Internet 75, Deluxe 100 Plus, Business Internet 150, and Business Internet 300 Tiers
  • Easy online self-activation 
  • 16×4 channel bonding
  • Requires a separate router​ if more than one wired or any wireless connection is needed

Comcast Business Modems – 2020 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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Model #
3.0 / 3.1
Down / Up
ArrisSB61413.08×4150 Mbps
ArrisSB61833.016×4300 Mbps
ArrisSB61903.032×8300 Mbps
ArrisSB82003.0 / 3.132×81000 Mbps
MotorolaMB72203.08×4150 Mbps
MotorolaMB74203.016×4300 Mbps
MotorolaMB76213.024×8300 Mbps
MotorolaMB8600 (Amazon)3.0 / 3.132×81000 Mbps
NetgearCM4003.08×4150 Mbps
NetgearCM5003.016×4300 Mbps
NetgearCM6003.024×8300 Mbps
NetgearCM10003.0 / 3.132×81000 Mbps
NetgearCM1100 (Amazon)3.0 / 3.132×81000 Mbps
NetgearCM12003.0 / 3.132×81000 Mbps
TP-LinkTC-76103.08×4150 Mbps
TP-LinkTC-76203.016×4300 Mbps
TP-LinkTC-76503.024×8300 Mbps
Zoom Telephonics53453.08×4150 Mbps

NETGEAR Orbi Pro AC3000 Business Mesh WiFi System, 3-Pack, Wireless Access Point (SRK60B03)

  • 7,500 SQUARE FEET | Blanket your Home Office, Restaurant, or Commercial location with blazing fast WiFi
  • TRI-BAND WI-FI AND MU-MIMO | Maximize Internet speeds available throughout your business
  • SINGLE WI-FI NETWORK | Secure, Easy setup, works with your existing internet service
  • TRAFFIC SEPARATION | Dedicated portal for Guest/Customer, Employees, Admin/Manager
  • UP TO 120 CONNECTIONS | High-performance AC3000 Wi-Fi (40 connections per unit)

Comcast Business Internet Speeds and Tiers

These are the speeds Comcast offers and the package name they correlate with. When looking for Comcast Business modems you only have to pay attention to the download speeds you obtain from Comcast.

Tier Name = Download Speed / Upload Speed

Basic Connect = 10 Mbps
Starter = 15 Mbps
Deluxe 25 = 25 Mbps
Deluxe 50 = 50 Mbps
Business Internet 75 = 75 Mbps
Deluxe 100 Plus = 100 Mbps
Business Internet 150 = 150 Mbps
Business Internet 300 = 300 Mbps
Business Internet 500 = 500 Mbps
Business 1 Gigabit = 1000 Mbps / 1 Gbps

Comcast Business Cable Modems

NETGEAR Nighthawk CM2000 DOCSIS 3.1 Cable Modem

​​ ​The NETGEAR Nighthawk CM2000 is one of the latest modems released by Netgear under the Nighthawk lineup. The CM2000 can support speeds up to 2.5 Gbps, which really future-proofs this modem. It is compatible with most cable companies including Comcast XFINITY residential and business, Cox, Sparklight (Cable One), Spectrum, and more.  . Netgear CM2000 DOCSIS 3.1 Key Features 2.5X Internet…

NETGEAR CM1200 Multi-Gig DOCSIS 3.1 Modem

​​ ​Netgear recently released the new CM1200 DOCSIS 3.1 cable modem. The NETGEAR CM1200 can support speeds up to 2 Gbps, which really future-proofs this modem. It is compatible with most cable companies including Comcast XFINITY residential and business, Cox, Sparklight (Cable One), Spectrum, and more. The CM1200 also has 4 built-in gigabit ports for Multi-IP address support. ​ . NETGEAR CM1200…

NETGEAR CM1000 DOCSIS 3.1 Cable Modem

​​ ​The Netgear CM1000 was the first DOCSIS 3.1 modem released. The CM1000 modem supports speeds up to 1 Gbps, though most households are far from that. However, this would be the last cable modem you’ll need for many years to come. It is compatible with most cable companies including Comcast XFINITY 1 Gig, Cox…

ARRIS SB8200 DOCSIS 3.1 Modem Details & Review

​​ From the ARRIS SURFboard lineup comes the first DOCSIS 3.1 cable modem, the ARRIS SB8200. If you subscribe to Gigabit services from Cox or Comcast XFINITY, then this may be the modem you need. It’ll definitely be the last cable modem you’ll need for years to come. The ARRIS SB8200 is backward compatible with…

NETGEAR Orbi CBR40 Modem/Router – CBK40

​​ Unique to its kind is the NETGEAR Orbi CBR40 Whole Home WiFi Router w/ built-in cable modem. With one main unit and a satellite unit that can be placed anywhere in the home, WiFi coverage is no longer hit and miss. With the new Fastlane 3 technology, WiFi speeds up to 2.2Gbps can deliver…

NETGEAR CM600 24×8 Cable Modem CM600-100NAS

​​ The NETGEAR CM600 cable modem is ideal for Extreme Pro Internet customers. However, it is compatible with almost every cable provider. The CM600 is for speed tiers 400 – 600 Mbps. ​It is Cable Labs certified and with DOCSIS 3.0 is 24X faster than 2.0 devices. NETGEAR CM600 Quick View Specs & Features Top…

Information about Comcast Business modems on this page is cumulative of information found here:


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