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.
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. Built for extreme performance, this modem supports up to 2
For plans under 500 Mbps, this older DOCSIS 3.0 model is a zippy, low-cost alternative that saves money if you don't need gigabit speeds. Key Factors for Your Purchase Top Recommended Modems for Xfinity (2026) If your
: Ensure the modem's rated speed meets or exceeds your Xfinity plan. A 1 Gbps plan requires a 2.5 Gbps Ethernet port on the modem to account for overhead and deliver full speeds.
: Only purchase modems listed on the Xfinity Compatible Modems List to ensure they will activate on the network.