Surface Dock Hub- HDMI Display, Ethernet amp USB 2.0/3.0 Ports Docking Station. MP3 / MP4 Player, Computer, Mobile Storage. Displayport/ Display port/ DP 1.2. 2 USB 3.0 Ports. USB 2.0 Type-A Port. DC 5V In Port. Usb 3.0 hub, hub usb 3.0, usb 3 hub, usb port. Only support Surface 3 & Surface pro 4 & New Surface Pro 2017. Surface 3 –10.8 inch, surface pro 4 — 12.3 inch. Orlds first custom-made dock with unique connector is designed exclusively for Surface. 3 & Pro 4. New Surface Pro 2017. Allows you to easily add to your Surface 3/pro 4 system with 2 USB 3.0 ports, 1 USB 2.0 Port, …..