Netgear docsis 3.1 cable modem for Comcast
02/12/2017 - The first DOCSIS 3.1 cable modem approved for Comcast XFINITY customers is now available in retail. DOCSIS 3.1 is the next standard in the cable modem industry that provides for future speed upgrades. 3.1 is about ten times faster than the most currently used 3.0 by cable providers. Buying a DOCSIS 3.1 compatible modem will ensure that you purchase a modem that will be good for many years to come.
NETGEAR recently released it's CM1000 for retail. It's the first and only right now to be DOCSIS 3.1 approved for use with Comcast XFINITY service.