The Netgear CM1000 DOCSIS 3.1 Gigabit Cable Modem is a high-speed modem designed for home networking and connectivity. With a maximum downstream data rate of 1000 Mbps and a matching LAN data rate, it provides fast and reliable internet access for PCs and other connected devices. The modem features a black color, coax and Ethernet ports for connectivity, and is compatible with DOCSIS 3.1 standards. With a 1-year manufacturer warranty, this unit is tested working and in excellent used condition. It is ideal for users looking for a reliable and efficient cable modem for their home networking needs.