The Motorola MG7550 16x4 DOCSIS 3.0 Cable Modem plus AC1900 Wi-Fi Router is a high-speed modem-router combo that delivers a maximum downstream data rate of 686 Mbps and a maximum LAN data rate of 1000 Mbps. With its black color and compact design, this unit is designed to fit a PC and offers wireless and Ethernet connectivity options. The modem is based on the DOCSIS 3.0 standard and features dual-band technology, providing reliable and fast internet access for multiple devices. It also comes with four LAN ports for wired connections, making it a versatile and efficient choice for home networking needs.