The NETGEAR CM500 is a used high-speed cable modem that supports DOCSIS 3.0 standard. It has a maximum downstream data rate of 680 Mbps and a maximum LAN data rate of 1000 Mbps. The modem has one Ethernet (RJ-45) port and one LAN port. It is unlocked and compatible with carriers such as Comcast, Spectrum, Xfinity, and more. The modem device type is dial-up modems and it comes in black color. The package includes one unit and power cord.