Does Comcast work with any modem?

You can purchase your own retail modem for use with your Xfinity Internet and/or Voice service, as long as the equipment is certified to work on our network. Before buying from the retailer of your choice, please go to to find certified retail equipment that supports your Internet speed tier.

What is a good modem to use with Xfinity?

The best Xfinity-compatible modems 2021

  • Motorola MB7621: Best for most Xfinity plans.
  • NETGEAR CM500: Best for low cost.
  • ARRIS SURFboard SB8200: Best for gig plans.
  • NETGEAR Nighthawk C7000: Best modem and router combo.
  • NETGEAR Nighthawk CM1150V: Best for Xfinity Voice.

Do you need a special modem for Xfinity?

To use Xfinity internet, you’ll need a compatible modem and router. You might think a modem and a router are the same device, but they are not. If you’re signing up for Xfinity service, you can choose to rent a modem and router for a fee of $14/mo.

Do you need a modem for WiFi?

Do you Need a Modem or a Router? You will need both a modem and a router if you want to use WiFi or connect multiple devices. Since most modems only have one LAN Ethernet port, you can only connect one computer at a time, but it won’t provide the same security that a router does.

How do I install my own modem and router with Comcast?

Here is How to Replace a Comcast Modem with your Own, in 4 Easy Steps:

  1. Buy a Compatible Modem & Router or a Gateway to Replace your Comcast Modem.
  2. Call Comcast to Activate your Modem.
  3. Connect your Devices to your Router WiFi.
  4. Return your Comcast Modem!

Can I add a second modem to Comcast?

You can add a second modem to your existing account. But remember, Comcast will definitely charge you an additional amount of money for it. It’s really the same as paying for two internet subscriptions. Your monthly charges for internet will be higher than normal when you decide to get a second modem for your home.