Expert reviews from Tom's Guide name this the top pick for its 2.5 Gbps Ethernet port and certification for Xfinity's "Next Gen" upload speeds. It is highly stable and future-proof for plans exceeding 1 Gbps.
: If you want Xfinity's new "Mid-Split" (faster upload) speeds, specifically look for modems labeled as "Next Gen Speed Tier" compatible, such as the ARRIS S34 or Hitron CODA56.
: Only purchase modems listed on the Xfinity Compatible Modems List to ensure they will activate on the network. what modem to buy for comcast
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
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. Expert reviews from Tom's Guide name this the
: 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 .
: 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
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)
