Xfinity with Voice / Phone / Triple Play Approved DOCSIS 3.1 and 3.0 Cable Modems
Below are all the modems with phone capabilities that Xfinity has approved for their residential customers to purchase and use on their network, as of August 2023. Xfinity lists them on their website here: Xfinity Approved Cable Modem List. Prices below are updated every hour. There are over 70 different modems on that list, and we’ve gone through all of them to find the ones that can be purchased at Amazon, Best Buy, or Walmart.
If you’re paying $14 a month to rent a modem from Xfinity, that’s $168 a year, or $840 over 5 years. You can buy a new one that will pay for itself in less than seven months. It’s easy to install. Just hook up the modem, and activate it on the Xfinity App: Xfinity Activation Instructions
Comcast for Business Phone / Voice Customers have to rent a cable modem from Comcast.
If you need further help with your decision or understanding some of the terms, see our Cable Modem Buying Guide.
Select your Xfinity speed plan below. If it’s not listed, choose a plan that’s higher than your current one. This will allow you to get the maximum speed out of your plan. If you want to future-proof your purchase, as speed plans inevitably get faster, we suggest selecting DOCSIS 3.1 from the DOCSIS menu below.
Sorted by price: low to high
ARRIS SBV2402 SURFboard DOCSIS 3.0 Modem for Xfinity Internet & Voice
- DOCSIS 3.0
- No built in Wi-Fi router
- 24 Downstream Channels
- 2 Phone Ports
- Puma 6 Chipset
ARRIS SBV3202 SURFboard DOCSIS 3.0 Modem for Xfinity Internet & Voice
- DOCSIS 3.0
- No built in Wi-Fi router
- 32 Downstream Channels
- 2 Phone Ports
- Puma 6 Chipset
NETGEAR CM1150V Nighthawk Multi-Gig DOCSIS 3.1 Cable Modem for XFINITY internet & Voice
- DOCSIS 3.1
- No built in Wi-Fi router
- 32 Downstream Channels + 2 OFDM
- Four 1 Gigabit Ethernet Ports – 2 ports can be combined to double your wired speed
- 2 Phone Ports
ARRIS SVG2482AC SURFboard DOCSIS 3.0 Modem for Xfinity Internet, Wi-Fi & Voice
- DOCSIS 3.0
- AC1750 Wi-Fi 5 router built in
- 24 Downstream Channels
- 2 Phone Ports
- Puma 6 Chipset
Motorola MT7711 24X8 Cable Modem plus AC1900 Dual Band WiFi Gigabit Router plus 2 Phone Lines for Comcast Xfinity
- DOCSIS 3.0
- AC1900 Wi-Fi 5 router built in
- 24 Downstream Channels
- 2 Phone Ports
ARRIS T25 SURFboard DOCSIS 3.1 Gigabit Modem for Xfinity Internet & Voice
- DOCSIS 3.1
- No built in Wi-Fi router
- 32 Downstream Channels + 2 OFDM
- Two 1 Gigabit Ethernet Ports
- 2 Phone Ports
NETGEAR C7100V Nighthawk DOCSIS 3.0 Cable Modem + 1.9Gbps WiFi Router
- DOCSIS 3.0
- AC1900 Wi-Fi 5 router built in
- 24 Downstream Channels
- Two USB 2.0 Ports
- 2 Phone Ports
NETGEAR CM2050V Nighthawk Multi-Gig 2.5Gbps DOCSIS 3.1 Cable Modem for Xfinity Voice
- DOCSIS 3.1
- No built in Wi-Fi router
- 32 Downstream Channels + 2 OFDM
- One 2.5 Gigabit Ethernet Port
- 2 Phone Ports
Motorola MT8733 DOCSIS 3.1 Cable Modem + WiFi 6 Router + 2 Phone Lines
- DOCSIS 3.1
- AX6000 Wi-Fi 6 router built in
- 32 Downstream Channels + 2 OFDM
- One 2.5 Gigabit and Three 1 Gigabit Ethernet Ports
- 2 Phone Ports