Microsoft Surface Dock Transform your Surface into a desktop PC by plugging in your Dock with the SurfaceConnectTM cable. 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. Microsoft Surface 24W Power Supply Power up. Made exclusively for Surface and designed to match its look and feel, the 24W Power Supply quickly recharges the battery.