$15 · ThinkPad Onelink Pro Dock

Features: -OneLink delivers data, driver-free dual video, and power through a single convenient connector -Unlike USB docks the Onelink Pro Dock delivers video with no compression, no drivers and no impact on image quality and notebook performance -Power button on dock mirrors system power button -Available ports: 4x USB 3.0, Stereo / Mic Combo Audio Port, 2x USB 2.0, DisplayPort with maximum resolution 2560x1600*, DVI-I with maximum 1920x1200 resolution, power -Cable lock slot for physical security on the side of the ThinkPad OneLink dock -Compatible with ThinkPad E455, E450, E550, E550c, E555, E540, E440, E455, E531, E431, S440, S431, S540, S531, Yoga, Yoga 12, Yoga 14 (Type 20DM, 20DN), Yoga 15, X1 Carbon (20BS, 20BT, 20A7,20A8) Power adapter not included.