All the ports you need - with two high-definition video ports, a gigabit Ethernet port, four high-speed USB 3.0 ports and an audio outputLightning fast with minimalist design - surface dock uses surface connect technology which enables high-speed transfer of video, audio and data over a single cable keeping your desk clutter-freeEasy setup - surface dock is quick and easy to set up, connect your peripherals to surface dock and then attach the magnetic surface connect cable to your deviceCompatible with Microsoft Surface Pro 3/Pro 4/Surface Book/Surface Book 2 and the Surface Pro