The ARRIS SURFboard SB6190 is a high-performance cable modem designed for use with Comcast Xfinity, Spectrum, and Cox internet services. With a DOCSIS 3.0 standard, this modem offers fast and reliable internet connectivity with a maximum LAN data rate of 800 Mbps. The sleek black design and single LAN port make it easy to set up and use for home networking needs. Built by the trusted brand ARRIS, this modem provides a seamless and efficient internet experience. Power adapter not included.