The NETGEAR DOCSIS 3.1 Ultra-High Speed Cable Modem (CM1000) delivers ultra-high speed gigabit Internet connections with speeds up to 1Gbps, so you are ready for the fastest cable Internet service plans of today and tomorrow. DOCSIS 3.1 is the world's fastest cable Internet technology providing speeds that are 10x faster than DOCSIS 3.0. Eliminate Internet service provider equipment rental fees and save up to $168 a year. Compatible with major Internet cable service providers like Xfinity from Comcast, Spectrum, Cox and more. Backwards compatible with slower service plans and DOCSIS 3.0 devices, the NETGEAR DOCSIS 3.1 Ultra-High Speed Cable Modem (CM1000) makes sure you have seamless WiFi coverage throughout your home.