To Buy For Comcast - What Modem

: Xfinity's "xFi Gateway" is an all-in-one modem/router. If you buy a standalone modem, you must also buy a separate Wi-Fi router .

When buying a modem for Comcast Xfinity, you should prioritize technology to ensure compatibility with modern high-speed tiers and future-proof your setup. The "best" choice depends on your specific Xfinity plan and whether you also need phone service (Xfinity Voice). Top Recommended Modems for Xfinity (2026) what modem to buy for comcast

If your Xfinity bundle includes a landline (Triple Play), this is the premier choice. It features two phone ports and handles internet speeds up to 2.5 Gbps. : Xfinity's "xFi Gateway" is an all-in-one modem/router

Built for extreme performance, this modem supports up to 2.5 Gbps downloads and is optimized for the fastest possible upload speeds on Xfinity's network. The "best" choice depends on your specific Xfinity

: Only purchase modems listed on the Xfinity Compatible Modems List to ensure they will activate on the network.