[Specially designed for Surface Pro 9/ Pro 11] Specifically developed for Microsoft Surface Pro 9 /Pro 10 /Pro X /Pro 11, which turns the 2 USB-C connection into 8 ports: 2 X USB 3.0 ports, 1X 4K@30Hz HDMI port, 1X USB C Thunerbolt 4 port (8K@30Hz Video Display + 40Gbps Data Transfer + 100W Charging), 1X 100Mbps RJ45 Ethernet, 1X SD card slot, 1X TF (Micro SD) card slot, 3.5mm Audio. Just plug and play, no driver needed, While aluminum case protect the shape and easily release heat. Note: This Surface Pro 9 usb docking station won't fit your Surface Pro 9 very well if it use an protective case. [Triple video display Surface pro 9/Suface Pro11 usb hub] Triple video display ( Ultra HD 4K@30Hz HDMI + 8K@30Hz USB-C Thunerbolt 4 ) + Surface Pro 9/Suface ProX modes Boost your efficiency 3 times. This Surface Pro 9 Hub Adapter allows you to extend 2 monitors which provide more space for work and you can do different project on different monitors. Support Extend Or Mirror Mode, HDMI R