Surface Pro 9 Hub Docking Station,Surface Pro 9/10/11 Adapter with 4K HDMI,USB-
7-in-2 Surface Pro 9 USB C Hub :Microsoft Surface Pro 9 Docking Station turns the 2 USB-C connection into 7 ports: 4K HDMI port, USB 3.0 2, 3.5mm Audio, USB-C port(Display+Data+100W PD Charging), SD slot, Micro SD slot.