ModemGuides · The Blog · Tagged: DOCSIS 4.0
DOCSIS 4.0
Best DOCSIS 3.1 Modems (2026): Top Picks by Plan & ISPThe best DOCSIS 3.1 modems of 2026, ranked by speed tier and ISP. See which modem fits your plan, which ones support faster uploads, and why 3.1 is...
Best DOCSIS 4.0 Modems Available in 2026No DOCSIS 4.0 modem is sold at retail as of September 2026. Every one in use is an ISP gateway like Comcast's XB10 or XD4. Here is where...
DOCSIS 4.0 vs DOCSIS 3.1: What's the Real Difference?DOCSIS 4.0 promises symmetrical multi-gig speeds, but DOCSIS 3.1 still powers most cable internet today. Here is the real difference, in plain English.
When Will Your ISP Support DOCSIS 4.0? 2026 Rollout Tracker by ProviderA plain-English, regularly updated tracker showing which cable internet providers have launched DOCSIS 4.0, which are still upgrading, and when most homes can expect access. Includes major ISPs...
DOCSIS 3.1 vs DOCSIS 4.0: Should You Upgrade in 2026?DOCSIS 4.0 promises symmetrical multi-gigabit speeds over existing cable lines, but retail modems are not available yet. Here is what you need to know before deciding whether to...
What Is DOCSIS 4.0? Speeds, Timeline, and 2026 Availability GuideDOCSIS 4.0 is officially here, bringing symmetrical multi-gigabit speeds to cable internet for the first time. While fiber remains the gold standard, this massive upgrade to existing coaxial...
Best Modems for Xfinity 2026: Next Gen Upload PicksXfinity keeps two device lists, and the second one decides whether you get mid-split upload speeds. Here are the modems that qualify at each plan level, why the...