USB 3.0 Pro Dock. The Professional USB 3.0 Docking Solution. E, L, T, P, X & X1 Carbon-Yoga-Tablet Series. Premium Display Experience – Up to. USB, Networking & Audio. X1 DVI-I (Rear Facing). X1 DisplayPort (Rear Facing). X2 USB3.0 (Front Facing, 1 x Always-on). X1 USB3.0 (Rear Facing) Upstream Connector. X1 USB3.0 (Rear Facing). X2 USB2.0 (Rear Facing). X1 RJ45 (Rear Facing) 1GB/s Ethernet LAN. X1 Audio (Front Facing) Stereo Headphone & Microphone (3.5 mm). Windows 10, 8.1, 8.0, 7. To download the User Guide. ThinkPad X1 Carbon Gen 8/7/6/5/4/3/2 Series. ThinkPad X1 Yoga Gen 5/4/3/2/1 Series. ThinkPad X280, X270, X260, X250 Series. ThinkPad Yoga X390, X380 Series. ThinkPad X13 …..