Used in good condition. The Motorola SURFboard SBG 6580. This device boasts a maximum downstream data rate of 343 Mbps, making it perfect for streaming, gaming, and browsing the internet. It comes in a sleek black color and has Ethernet (RJ-45) ports for easy connectivity. In addition to its impressive speed, this router also meets DOCSIS 3.0 standards and has four LAN ports for even more connectivity options. The SURFboard SBG 6580 is a versatile device that can be used with both cable and wireless Wi-Fi 802.11n.