- Compatible with select Microsoft Surface models - Six USB ports - Supports dual 4K at 60Hz - Dual 4K monitors at 30Hz - 199W power supply - Gigabit Ethernet port - 3.5mm in/out audio jack All the ports you need With two high-definition video ports, a gigabit Ethernet port, four USB 3.0 ports, and an audio output, you have all the connections you need. Transform your Surface into a desktop PC by plugging in your Dock with the Surface Connect cable.