Visit the Xfinity My Device Info page to confirm a modem works with your specific speed tier.
If you switch to another cable provider, your modem may still be compatible. Top Compatible Modems for 2026 can i buy a modem from comcast
A compatible modem typically pays for itself in less than a year. Visit the Xfinity My Device Info page to
However, you can purchase a third-party modem from major retailers that is to work on the Xfinity network. The Benefits of Buying Your Own can i buy a modem from comcast
Stop the Rental Fees: A Guide to Buying Your Own Xfinity Modem
You will need a cable modem and a WiFi router (or a "gateway" combo unit that does both).
Use the Xfinity app to activate your new device once it's plugged in. You usually don't need a technician.