The Motorola 16x4 Cable Modem Model MB7420 is a high-speed modem designed for home networking and connectivity. With a maximum downstream data rate of 686 Mbps and DOCSIS 3.0 standard, this black modem offers reliable and fast internet access. It features a single Ethernet port for connectivity and is compact with dimensions of 4.9 inches in length, 6.1 inches in height, and 2 inches in width. This modem from Motorola is a reliable choice for those looking for a cable modem with high-speed capabilities.