The NETGEAR CM500 High Speed Cable Modem provides a connection to high-speed cable Internet with speeds up to 680Mbps . It is CableLabs certified DOCSIS 3.0 that is 16X faster than 2.0 devices. A Gigabit Ethernet port provides faster access and downloads, this High-Speed Cable Modem gives you speed to spare whether you are streaming or gaming. Plus there are no monthly rental fees. CableLabs DOCSIS 3.0 certified to work with Cable Internet Providers like Comcast XFINITY and Time Warner Cable.