Look through and review the list of XFINITY compatible modems. We help you make an informed decision before you buy a new XFINITY modem. Find the best cable modem for your Comcast Internet tier. We breakdown the list of modems for XFINITY so you can view them by type including No WiFi, Modem / Routers, Voice Modems.
List Of Standard XFINITY Compatible Modems
These XFINITY compatible modems in this section are all stand-alone DOCSIS 3.0 cable modems. They do not have any WiFi or voice capabilities. The modems can be used with one device or a separate router. View voice and WiFi Comcast modems below.
| Image | Modem Model | Available |
|---|---|---|
 | NETGEAR CM600 Best Modem For XFINITY Rank # 1 Blast (200 Mbps) Extreme (300 Mbps) Extreme Pro (600 Mbps) 24 x 8 | Amazon Target Ebay |
 | ARRIS SB6183 Rank # 2 16 x 4 Tiers Up To Extreme 300 Mbps | |
 | NETGEAR CM500 Rank # 3 16 x 4 Tiers Up To 300 | |
 | Motorola MB7420 Rank # 4 16 x 4 Speeds Up To 300 | |
 | ARRIS SB6141 Rank # 5 8 x 4 Tiers Up To Blast! 200 | |
 | NETGEAR CM400 8 x 4 Blast 200 Mbps | |
 | TP-Link TC-7610 8 x 4 Blast! 200 Mbps | |
| Motorola MB7220 8 x 4 Blast! 200 Mbps | |
 | TP-Link TC-7620 16 x 4 Extreme 300 Mbps | |
 | TP-Link TC-7650 24 x 8 Extreme Pro 600 Mbps | |
 | ARRIS SURFboard SB6190 Bad Puma 6 Chipset See Intel Puma 6 Class Action | |
 | NETGEAR CM700 Bad Puma 6 Chipset See Above Link | |
 | Linksys CM3024 Bad Puma 6 Chipset See Above Link |
XFINITY Modem Router Combo / Compatible Gateways
These modems are XFINITY gateways. Most refer to them as a modem router combo. With a built-in router, no other additional equipment is needed.
| Modem Model | Channels Down x Up | Top Speed Mbps | WiFi |
|---|---|---|---|
| ARRIS SBG10 Best XFINITY Modem Router / Gateway 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 |
16×4 | 400 | AC1600 |
| NETGEAR C6220 | 8×4 | 100 | AC1200 |
| TP-Link ARCHER CR500 | 16×4 | 300 | AC1200 |
| 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 |
Comcast XFINITY Modems DOCSIS 3.1 Gigabit Modems List
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. All current 3.1 modems are backward compatible with 3.0 as a 32×8 modem.
| Modem Model |
Top Speed Mbps |
WiFi Speed | Voice |
|---|---|---|---|
| ARRIS SURFboard SBG8300 Best Comcast DOCSIS 3.1 Modem AC2350 dual-band Wi-Fi router Four 1-Gigabit Ethernet Ports Surfboard Manager app for iOS and Android |
1000 | AC2300 | X |
| ARRIS SURFboard S33 | 3500 | X | X |
| Motorola MG8702 | 6000 | AC3200 | X |
| Motorola MB8600 | 1000 | X | X |
| ARRIS SURFboard SB8200 | 1000 | X | X |
| NETGEAR CM1150V | 1000 | X | YES |
| NETGEAR CM1000 | 1000 | X | X |
| NETGEAR C7800 | 1000 | AC3200 | X |
| NETGEAR CM1200 |
2000 | X | X |
| NETGEAR Nighthawk CAX80 | 1000 | AX6000 | X |
| ARRIS SURFboard T25 | 1000 | X | YES |
| NETGEAR CM2000 | 2500 | X | X |
| NETGEAR CBR750 | 6000 | AX4200 | X |
| NETGEAR CM2050V | 2500 | X | YES |
| NETGEAR CM1100 | 2000 | X | X |
XFINITY Comcast Voice 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 |
DOCSIS 3.1 |
DOCSIS 3.0 |
Top Speed Mbps |
WiFi Speed |
|---|---|---|---|---|
| ARRIS SURFboard T25 Best XFINITY Voice Modem Certified to work with Xfinity Internet & Voice service DOCSIS 3.1 Cable Modem 2 Telephony ports for Xfinity digital voice service Best for Xfinity internet speed plans up to 2 Gbps |
2×2 | 32×8 | 1000 | X |
| NETGEAR CM2050V | 2×2 | 32×8 | 2500 | X |
| NETGEAR CM1150V | 2×2 | 32×8 | 1000 | X |
| NETGEAR CM500V | X | 16×4 | 300 | X |
| ARRIS SURFboard SVG2482AC | X | 32×8 | 600 | AC1750 |
| ARRIS SURFboard TM822R | X | 8×4 | 200 | X |
| NETGEAR C7100V | X | 24×8 | 600 | AC1900 |
| Motorola MT7711 | X | 24×8 | 600 | AC1900 |
| ARRIS SURFboard SBV3202 | X | 32×8 | 600 | X |
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 FAQ
What Is The Best Modem For Comcast?
We here at Approved Modems believe the NETGEAR CM500 is the best modem for Comcast. However, this is only true for customers with speeds by XFINITY up to 300 Mbps. If you have a higher tier or wish to have a WiFi modem, you’ll find the other options here.
What Modem Does Comcast Use?
One of the most recent modems Comcast leases to its customers is the ARRIS TG3482G. It is not available to purchase and can only be rented from Comcast. Find a comparable modem for your XFINITY service here.
Can I Buy My Own Modem To Use With Comcast?
Yes, you can, as long as it is on the approved modems list here. There are many options and finding the correct one for your service can be cumbersome. Use our guided steps to find the right modem for your speed and services.
More Comcast XFINITY Cable Modems
- Motorola MB8611 XFINITY / COX Gigabit Modem Review
Recently, the Motorola MB8611 was released from Zoom under the Motorola brand name. It is compatible and approved for use with Comcast XFINITY and Cox. Furthermore, this cable modem will work with Gigabit plans and lower tiers. The MB8611 has an MSRP of $169.99. Jump To: MB8611 Product Features MB8611 Manuals & Guides In-Depth Review… - ARRIS SURFboard S33 Modem Details & Review
The ARRIS SURFboard S33 is a sleeker design than all of the prior SURFboard modems. The S33 is a DOCSIS 3.1 cable modem capable of multi-gig speeds up to 3.5 Gbps. This is accomplished by using both of the Ethernet ports, one a 2.5 Gbps port and the other a 1 Gbps port. On This… - NETGEAR Nighthawk C7100V XFINITY Voice Modem Review
NETGEAR Nighthawk C7100V Features Optional Battery Backup – Sold separately – 5 to 8 hours of phone service during a power outage. Battery for C7100V on Amazon 24 x 8 Channel Bonding 2 Telephone Jacks AC1900 WiFi Router Built-In 2 USB Ports Beamforming Technology – Reliable WiFi speeds and coverage Netgear Product Description The NETGEAR Nighthawk C7100V is… - Motorola MT7711 XFINITY Voice WiFi Modem Review
The Motorola MT7711 is the newest WiFi cable modem with voice capabilities. It is currently only approved for Comcast Voice customers. The Motorola MT7711 provides for speeds up to 650Mbps. Also, it has a built-in AC1900 WiFi router with Power Boost and AnyBeam beamforming providing a longer range than most modem and router combos…. - ARRIS SURFboard T25 XFINITY Voice Modem
The ARRIS SURFboard T25 is exclusively made for XFINITY voice subscribers with any Internet tiers up to 10 Gbps. The T25 is one of the newest Comcast voice modems available to buy and is DOCSIS 3.1 ready. This modem will have to be used with a separate WiFi router. The T25 does not have…