The ARRIS SURFboard SB6183 DOCSIS 3.0 Cable Modem is a high-speed modem designed for use with Xfinity, Spectrum, and Charter Spectrum internet services. With a maximum downstream data rate of 686 Mbps, this modem provides fast and reliable internet connectivity. It features a sleek white design and has one Ethernet port for connecting to various devices. The modem is unlocked and comes brand new, sealed in its packaging. Ideal for home networking needs, this modem offers a reliable and efficient connection for your internet requirements.