Turn your Surface Pro 4 into a desktop PC with the Microsoft Surface Pro 4 Dock.Just connect your Surface Book, Pro 3 or 4 to the dock using the magnetic Surface Connect cable to charge and use the DisplayPort, USB and Ethernet ports. This is perfect for leaving on a desk connected to monitors, a keyboard, mouse, graphics tablet, sound card... anything you'd normally use with a desktop PC.There are two DisplayPort connections, four USB 3.0 ports, an audio output and an Ethernet port for a stable, high-speed internet access - everything you need for all your daily computing.