Xfinity compatible

Comcast Xfinity Compatible Modems List by Speed Tier (2026)

Every Xfinity compatible modem by speed tier, plus the combo gateways, voice modems, and Next Gen upload models on Comcast's current device list.

Mar 28, 202614 min read

Troubleshooting

How to Activate a Modem With Comcast Xfinity (Internet and Phone)

A complete guide to activating your own modem on Comcast Xfinity, including online self-activation, phone activation, and how to activate a phone modem for Xfinity Voice service.

Mar 28, 20268 min read

Review

Arris S33 vs SB8200: Which DOCSIS 3.1 Modem Should You Buy?

The Arris S33 and SB8200 share the same chipset and DOCSIS 3.1 performance. The real difference is the S33's 2.5 Gbps port, which only matters on plans above 1 Gbps.

Dec 15, 20256 min read

Review

Netgear CM1000 vs. CM1100 vs. CM1200: The Differences Explained

Stuck at the "Netgear Wall of Numbers"? We break down the CM1000, CM1100, and CM1200 in plain English. Learn why the 4-port model isn't a router and which modem actually fits your home setup.

Dec 11, 20253 min read