?100W USB-C Power Delivery & Plug and Play?The Surface Pro 9 accessories support USB C 100W pass-through power delivery, just plug and play, no driver needed, supports Windows 11,10,8,7,XP system. Special bevel-side and compact design of this docking station perfectly match your Surface pro 9/Surface pro x. Light-weight is convenient for travel or business trip. 24 month after-service and no worry on return or refund.Contact Way: (Sold by) store name -> Ask a question. ?Mirror and Extend your Surface Pro 9/X Display?The 4K@30Hz HDMI and 8K@30Hz Thunderbolt 4 ports can mirror or expand the other 2 monitors to perform different projects, (Surface Pro 9/X + USB-C Thunderbolt 4 + 4K HDMI) 3 screens display increases your productivity by 3 times, an ideal gadget for video editors, photographers and programmers. Note: When mirroring the display of three screens, two of the screens will display the same. ?High Speed Transfer?Type C 3.1 Thunerbolt 4( 40Gbps data transmission+ Audio and Mic+ 100W pass-through power delivery to surface pro 9+ 60W to surface pro X). 2 USB 3.0 ports(5Gbps transfer+ backward compatible 480Mbps for surface pro 9 keyboard, surface pro 9 mouse). RJ45 LAN Adapter (100/10Mbp Ethernet). SD+ Micro SD card slots (60Mb/s; for SD/SDHC/SDXC, TF/Micro SDXC/Micro SDHC card). ?RJ45 Ethernet & Audio Output?Surface Pro 9 hub offers full 10/100 Mbps over RJ45 Ethernet port, download movies quicker, transfer files faster, reduce latency, faster and more reliable than most wireless connections, and also has a 3.5mm audio+microphone 2-in-1 port, making listening or speaking a breeze. ?Ultra HD 8K Thunerbolt 4 & 4K HDMI?Surface pro 9 accessories supports video resolution up to 4K@ 30Hz through the HDMI interface, USB-C Thunerbolt 4 resolution up to 8K@30Hz, backward support 2K / 1080p / 720p / 480p / 360p resolutions. Compatible with TV/Monitor/Projector for video and audio transmission. ?Specially designed for Surface Pro 9 and Surface Pro X?The Surface Pro 9 adapter converts 2 USB-C ports to 8 ports: 4K HDMI port, USB-C Thunderbolt 4 port (8K video display+40Gbps data+100W charging), 2X USB 3.0 ports, 100M RJ45 LAN, 3.5mm Audio/Microphone Jack, SD&TF card reader slots. Note: Please remove Surface protective cover when using the hub.