The ARRIS Surfboard SBG8300-RB is a high-speed cable modem and AC2350 dual-band Wi-Fi router in black color. It supports a maximum downstream data rate of 10 Gbps and has a maximum LAN data rate of 2350 Mbps. This router features MU-MIMO technology, dual-band connectivity, and offers multiple LAN ports for wired connections. Compatible with various cable providers like Cox Communication, Mediacom, Comcast, Charter Communication, and Spectrum, the ARRIS SBG8300-RB is a reliable option for home networking and connectivity needs.