Best Cable Modem for Xfinity in 2024: Top 5 Picks
1. What Makes a Cable Modem Compatible with Xfinity? Understanding DOCSIS 3.1 and 4.0 Standards DOCSIS 3.1, the current industry standard, supports downstream speeds up to 1 Gbps and upstream to 200 Mbps. Why this matters: Xfinity’s network infrastructure is built on DOCSIS 3.1, so a 3.1‑rated modem guarantees full compatibility with their high‑speed plans. DOCSIS 4.0, … Read more
