The Motorola Surfboard SB6121 Cable Modem with Power Adaptor is a high-performance modem designed for home networking and connectivity. With a maximum downstream data rate of 160 Mbps and a maximum LAN data rate of 1000 Mbps, this modem provides fast and reliable internet access. The black Motorola SB6121 modem features a single LAN port and is compatible with DOCSIS 3.0 standards. Manufactured in China, this cable modem is a versatile option for those looking for a reliable and efficient internet connection in their home.