The Motorola MB7420 Cable Modem is a high-speed modem designed for home networking and connectivity. With a maximum downstream data rate of 686 Mbps and a matching LAN data rate, this modem is ideal for use with PCs and other devices. It features a single Ethernet port, making it easy to connect to your network. The sleek black design and compact dimensions make it a versatile option for home internet connections. Additionally, it is compatible with Comcast and follows the DOCSIS 3.0 standard for reliable performance.