Compatibility: The SURFboard S33 is compatible with major U. S. cable internet providers including Cox (Gigablast), Spectrum (Internet Gig), Xfinity (Blast! /Extreme Pro) and others. It's approved for cable internet speed plans up to 2.5 -Gbps. Check your Internet Service Provider (ISP) website to confirm compatibility.
SURFboard S33 DOCSIS 3.1 Cable Modem - AMZ
Your multi-Gigabit home network will be ready with the SURFboard S33. A DOCSIS 3.1 cable modem. With a 2.5 Gbps Ethernet port plus an additional 1 Gbps Ethernet port it's capable of combined download speeds up to 3.5 Gbps. The S33 is the fastest modem in the SURFboard lineup delivering the fastest speeds and the latest technology without the premium rental cost.