Visit the Xfinity My Device Info page to confirm a modem works with your specific speed tier.

A compatible modem typically pays for itself in less than a year.

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

Use the Xfinity app to activate your new device once it's plugged in. You usually don't need a technician.