​​ ​The Netgear CM1000 was the first DOCSIS 3.1 modem released. The CM1000 modem supports speeds up to 1 Gbps, though most households are far from that. However, this would be the last cable modem you’ll need for many years to come. It is compatible with most cable companies including Comcast XFINITY 1 Gig, Cox Gigablast, Grande 1 Gig, and … Continue reading NETGEAR CM1000 DOCSIS 3.1 Cable Modem