The Motorola MB7621 DOCSIS 3.0 Cable Modem in black is a high-speed modem designed for cable internet connections. With a maximum downstream data rate of 960 Mbps, this modem offers fast and reliable connectivity for home or office use. It features a single Ethernet port for connecting multiple devices, making it ideal for home networking setups. The sleek black design and DOCSIS 3.0 standard ensure compatibility with most cable providers, making it a versatile and efficient choice for those in need of a reliable modem.