Comcast XFINITY Compatible Cable Modems


Find the best XFINITY modem 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 Cable 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

Ideal for tiers up to Extreme (300 Mbps) including Blast (200 Mbps)
Compatible up to Extreme Pro (600 Mbps)
24 x 8 Channel Bonding
DOCSIS 3.0
No Voice / No WiFi
View More Info – Netgear CM600


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​


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

XFINITY DOCSIS 3.1 Cable Modems


All of the modems in this list are DOCSIS 3.1 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
* 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

XFINITY Voice 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

  • Pay every month up to $14 for using a Comcast provided modem. That’s up to $168 a year in charges. This could be used to buy your own modem and forgo the ever going monthly charges.
  • Chance neighbors using your home network as part of the XFINITY WiFi Hotspots trickery