The ARRIS SURFboard SB6183 DOCSIS 3.0 Cable Modem is a high-speed modem designed for Xfinity, Spectrum, Cox, and Charter Spectrum customers. With a maximum downstream data rate of 686 Mbps, this modem offers fast and reliable internet connectivity. It features one LAN port for wired connections and is unlocked for use with various cable providers. The sleek white design, compact dimensions, and reliable performance make it a great choice for home networking needs.