Designed for Surface Pro 9/Pro 10/Pro 11/Pro X: Turns the 2 USB-C connections into 6 ports (HDMI 4K/30Hz,USB C port*1, USB-A 3.0*2, SD Card Reader*1, Micro SD(TF) Card Reader*1. Note 1: This Surface pro dock won't fit your surface very well if you use an protective case on it. Only compatible with Microsoft Surface Pro 11/Pro 10/Pro 9/Pro X. Note 2: Incompatible with Surface Go/Surface Pro 3, 4, 5, 6,7,8.

Surface Pro 9/Pro 10/Pro 11 Hub Docking Station with 4k HDMI: Surface pro 11 adapter supports the video resolution 1080P @60Hz, up to 4K @30Hz and freely show your laptop's high-resolution display on most HDTV, monitor or projector with an HDMI port, bringing you better viewing experience. Surface Pro 11 Hub Perfect to stream a full HD movie on your HDTV; extend a 3D video game on your monitors or show your PPT through the projectors for office meetings.

Surface Pro 9/Pro 10/Pro 11 Docking Station Dual Monitor Displays: Supports up to 4k@30Hz displays with HDMI port or 8K@30Hz displays with USB-C Thunderbolt 4 port. It displays tasks with Ultra HD images for illustration design and video editing. With this split display of Surface Pro 11 USB C hub, enjoy a sharper dual screen (HDMI 4K@30Hz & USB-C Thunderbolt 4 8K@30Hz).Support Extend Or Mirror Mode.

Stable and Fast Data Transfer: USB C Thunderbolt 4 supports 40Gbps data transmission, also support Audio and Mic 2 in 1 port makes listening or talking a breeze. Ultra-fast 5Gbps data transfer via USB 3.0 port hub,compatible with USB 2. 0 and USB 3.0. Support 480Mbps SD/TF data transfer, which allow you upload and download photos, videos, music and other files in second.Note:does not support reading 2 cards at the same time.

Surface Pro 9/Pro 10/Pro 11 Accessories Perfect Combination : The Surface Pro 9 hub support 100W pass-through power delivery. Special bevel-side and compact design of this docking station perfectly match your Microsoft Surface Pro 10/pro 9.Just plug and play, no driver needed.Light-weight is convenient for travel or business trip.