Surface Dock works with Microsoft Surface devices including Surface Pro 9, 8, 7, X, Surface Laptops, Surface Go, Surface Laptop Studio USB-C connectivity via a 1M USB-C 3.2 Gen-2 cable (included) connects the dock to your Surface for power, video, and data (10Mbps/sec) Dedicated video ports (1 HDMI 2.0 and 2 Displayport ++ 1.4) so you don't need to purchase extra usb-c video adapters like with the Surface Dock 2 Triple video output with resolution 1080p@60Hz; dual displays output up to 4k@60Hz; single display 4k@60Hz - see video resolution chart in the images to see a list of Surface devices and their potential resolution A dedicated power supply provides up to 85W of charging for your Surface device plus power for peripherals Mounting stand allows the docking station to be mounted vertically or horizontally