About this item 6-in-2 Surface Pro Docking Station - This USB Hub design for Surface pro 4/5/6 include 1 USB 3.0 Port + 2 USB 2.0 Ports, SD and TF slot, 4K@30Hz HDMI Port Converter Accessories. Support the expansion of U disk, mouse, keyboard, TF/SDHC , monitor and other devices, easy to achieve the transfer of photos, videos and other functions. Super Speed Transfer - Docking station for Surface pro 6/5/4 has 1x USB 3.0 Port with fast data sync up to 5Gbps - 10X faster than USB 2.0 (480 Mbps), which allows you to transfer HD movies or files within seconds. 2 x USB 2.0 ports can be connected to the mouse and keyboard, making it more stable to use. 4K HDMI Adapter - The surface pro docking station has a HDMI port, it’s support video resolution 1080P@300Hz, up to 4K @30Hz, freely show your laptop's substance on HDTV, monitor or projector with an HDMI port which is suitable for home entertainment, business meetings, education, training, outdoor, travel, etc. Plug and Play - No need any driver, plug and play. surface pro dock is perfectly compatible with surface pro 6/5/4. Support SDHC,SDXC,SD,TF,ro SD and ro SDHC memory ,Maximum capacity supports 512G. USB2.0 Slot with high speed up to 480Mbps. Perfect Design - Perfect fit for Surface Pro hub for rosoft Surface Pro 4 Pro 5 Pro 6, Easy operation, no external power required, just plug and enjoy your large screen. Extremely compact design makes it easily portable and saves desktop space.