Yes, you can buy and use your own modem instead of renting one from Comcast Xfinity . This is often the superior choice for long-term savings, as a personal modem can pay for itself within 8 to 12 months. However, switching involves trade-offs regarding data caps, technical support, and setup responsibility.
Using approved third-party equipment with Xfinity Internet and Xfinity Voice can i buy a modem instead of renting from comcast