The NETGEAR CM1000 Ultra-High Speed Cable Modem is a black DOCSIS 3.1 Gigabit modem with a maximum downstream data rate of 1000 Mbps. It features a wired connectivity with Ethernet (RJ-45) ports, suitable for high-speed internet connections. The modem is compatible with Comcast, Spectrum, and Cox cable providers, offering fast and reliable internet access for home or small office use. With its unlocked features and NETGEAR brand quality, the CM1000 provides a seamless and efficient networking experience for users looking to upgrade their internet connection.