ThinkPad OneLink Pro Dock and 90W Charger
The ThinkPad OneLink Pro Dock is supported on the following Lenovo systems. ThinkPad Yoga, Yoga 12, Yoga 14 (Type 20DM, 20DN), Yoga 15 All All. ThinkPad X1 Carbon 20BS, 20BT, 20A7,20A8 All. ThinkPad E455, E450, E550, E550c, E555, E540, E440, E455, E531, E431 All All. Lenovo ThinkPad OneLink Pro Dock serves as a connector. The dock links your laptop and its data with a power source, and connects video and audio through your monitor(s). The dock can also charge other USB connected devices simult