Microsoft Microsoft Surface Dock

Microsoft Surface Dock Compatible with Surface Book, Surface Pro 4, and Surface Pro 3. Hardware Interface Ethernet, USB 3.0. Microsoft Surface Dock (Compatible With Surface Pro 3, Surface Pro 4, Surface Book, Surface Pro, and Surface Laptop) DisplayPorts, a Gigabit Ethernet port, four USB 3.0 Type-A ports, and an audio output jack. Use the dock to charge your devices, connect an additional monitor, keyboard, mouse, and more. Simply connect it to your Surface via the magnetic Surface Connect cable and the external power cable when required.