. The completely redesigned and supercharged ThinkPad Workstation Dock with included ThinkPad 230W AC adapter enhances your work capability with multiple connectivity options. As the ultimate multi-port docking solution the ThinkPad Workstation Dock includes a range of video outputs including HDMI 1.4 and DP 1.2 to support multiple external monitors delivering outstanding driver free video qualityConnectivity . enhances work capability with multiple connectivity options. Compatibility . works with ThinkPad notebooks. Range of video outputs . including HDMI and DP 1.2 to support multiple external monitors delivering outstanding free video quaility. 1 Year Warranty.