Comcast XFINITY Modems – Compatibility List 2020

Look through the list of XFINITY modems and find the best one for your Comcast service tier. If you are looking for a new modem, modem/router combo, or voice modem, easily find it here.

​XFINITY modems & WiFi routers can be rented from Comcast for a monthly fee of up to $14 a month. However, buying your own XFINITY modem is much cheaper in the long run.


Comcast XFINITY Modems (No WiFi)

All of these modems are all stand-alone modems. They do not have any WiFi or voice capabilities. They can be used with one device or a separate router. Go further down for WiFi modems and voice modems.

Modem Model DOCSIS 3.0 Channels
Down x Up
Top Service Tier
ARRIS SB6141 8×4 200
NETGEAR CM400 8×4 200
TP-Link TC-7610 8×4 200
Motorola MB7220 8×4 200
ARRIS SB6183 16×4 300
NETGEAR CM500 16×4 300
Motorola MB7420 16×4 300
TP-Link TC-7620 16×4 300
Linksys CM3024 24×8 600
NETGEAR CM600 24×8 600
TP-Link TC-7650 24×8 600

Best XFINITY Modem (No WiFi)


XFINITY WiFi Modem Router Combo – Gateway

These compatible XFINITY modems all have WiFi / Router built-in. Therefore, no other additional equipment is needed.

Modem Model Channels Down x Up Top Speed Mbps WiFi
NETGEAR C6220 8×4 100 AC1200
TP-Link ARCHER CR500 16×4 300 AC1200
ARRIS SBG10 16×4 400 AC1600
Motorola MG7700 24×8 600 AC1600
ARRIS SBG6700-AC 8×4 200 AC1600
NETGEAR C6250 16×4 300 AC1600
Motorola MG7540 16×4 300 AC1600
ARRIS SBG6782AC 8×4 200 AC1750
NETGEAR C6300 16×4 300 AC1750
TP-Link ARCHER CR700 16×4 300 AC1750
Zoom 5363 8×4 200 AC1900
ARRIS SBG6900-AC 16×4 300 AC1900
ARRIS SBG6950AC 16×4 300 AC1900
Motorola MG7550 16×4 300 AC1900
NETGEAR C6900 24×8 600 AC1900
NETGEAR C7000 24×8 600 AC1900
TP-Link CR1900 24×8 600 AC1900
Linksys CG7500 24×8 600 AC1900
ARRIS SBG7600AC2 32×8 925 AC2350
NETGEAR C7800 32×8 1000 AC3200
NETGEAR C7500 24×8 1000 AC3200
NETGEAR CBR40 32×8 900 AC2200

Top XFINITY WiFi Cable Modem

  • 3 products in 1: Cable Modem, AC1600 Wi-Fi Router, and 2 Port Gigabit Ethernet Router
  • Does Not Support Voice Services
  • Compatible with major U.S. Cable Internet Providers including Cox, Spectrum, Xfinity & others.
  • 16×4 Channel Bonding: Best for cable internet service plans up to 300 Mbps.
  • Wi-Fi 5 AC1600 dual-band concurrent Wi-Fi Router with 2 Gigabit Ethernet ports
  • Setup and manage your network with the SURFboard Manager app
  • ARRIS SURFboard SBG10
  • Available On Amazon

XFINITY Modems – DOCSIS 3.1

All of the modems in this list are DOCSIS 3.1 XFINITY modems. Some have WiFi capabilities and others do not. The same goes for voice capabilities.

Modem Model
* New Release
DOCSIS
3.1
DOCSIS
3.0
Top Speed
Mbps
WiFi Speed Voice
ARRIS SURFboard S33 2×2 32×8 3500
* Motorola MG8702 2×2 32×8 6000 AC3200
Motorola MB8600 2×2 32×8 1000
ARRIS SURFboard SB8200 2×2 32×8 1000
NETGEAR CM1150V 2×2 32×8 1000
NETGEAR CM1000 2×2 32×8 1000
NETGEAR C7800 2×2 32×8 1000 AC3200
NETGEAR CM1200 2×2 32×8 2000
* NETGEAR Nighthawk CAX80 2×2 32×8 1000 AX6000
ARRIS SURFboard SBG8300 2×2 32×8 1000 AC2300
ARRIS SURFboard T25 2×2 32×8 1000
* NETGEAR CM2000 2×2 32×8 2500
* NETGEAR CBR750 2×2 32×8 6000 AX4200
* NETGEAR CM2050V 2×2 32×8 2500
NETGEAR CM1100 2×2 32×8 2000

Comcast DOCSIS 3.1 ARRIS SURFboard SBG8300 Modem

  • AC2350 dual-band Wi-Fi router
  • Comcast Xfinity compatible up to 1000 Mbps
  • Backward compatible to DOCSIS 3.0 – 32 downstream x 8 upstream channels
  • Four 1-Gigabit Ethernet Ports
  • Add SURFboard skills to your Alexa network for voice management of your Wi-Fi settings
  • Surfboard Manager app for iOS and Android
  • ARRIS SURFboard SBG8300
  • Available On Amazon

XFINITY Voice Cable Cable Modems

All of the modems in this list are approved for voice services with Comcast. Some have WiFi capabilities and others do not. Some are DOCSIS 3.1 and some are DOCSIS 3.0. Easily sort the list by clicking or touching table header row labels.

Modem Model
* New Release
DOCSIS
3.1
DOCSIS
3.0
Top Speed
Mbps
WiFi Speed
* NETGEAR CM2050V 2×2 32×8 2500
ARRIS SURFboard T25 2×2 32×8 1000
NETGEAR CM1150V 2×2 32×8 1000
NETGEAR CM500V 16×4 300
ARRIS SURFboard SVG2482AC 32×8 600 AC1750
ARRIS SURFboard TM822R 8×4 200
NETGEAR C7100V 24×8 600 AC1900
Motorola MT7711 24×8 600 AC1900
ARRIS SURFboard SBV3202 32×8 600

ARRIS T25 3.1 Voice Cable Modem

  • Certified to work with Xfinity Internet & Voice service
  • DOCSIS 3.1 Cable Modem32 x8 DOCSIS 3.0 channels
  • 2×2 OFDM DOCSIS 3.1 channels
  • Two 1-Gigabit Ethernet ports
  • 2 Telephony ports for Xfinity digital voice service
  • Best for Xfinity internet speed plans up to 2 Gbps
  • Separate router required
  • ARRIS SURFboard T25
  • Available On Amazon

Xfinity Internet Plans: (May Vary In Different Regions)

Performance Starter – 25 Mbps
Performance – 100 Mbps
Blast! – 200 Mbps
Extreme – 300 Mbps
Extreme Pro – 600 Mbps
XFINITY Gig / Gigabit – 1,000 Mbps / 1 Gbps
Gigabit Pro – 2000 Mbps / 2 Gbps​


Comcast Modems & XFINITY Modem/Router Combos

NETGEAR CM2000 Nighthawk DOCSIS 3.1 Cable Modem

​​ ​The NETGEAR 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 speeds—The …

NETGEAR CM2000 Nighthawk DOCSIS 3.1 Cable Modem Read More »

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