. With the horsepower to drive mobile workstations the completely re-designed and supercharged ThinkPad Ultra Dock with an included ThinkPad 135W AC Adapter grows capability without growing in size. The ultimate docking solution includes a wide range of video outputs including HDMI 1.4 and support for multiple external monitors so you can multi-task like never beforeConnectivity . completly redesigned and supercharged ThinkPad Ultra Dock with the included AC adapter grows capability without adding size. Connectivity . works with all Lenovo ThinkPad notebooks. Multiple montiors . plug in external montiors to multi-task like never before 1 Year Warranty. Designed For. . Lenovo ThinkPad A475 20KL 20KM Lenovo ThinkPad L440 Lenovo ThinkPad L450 Lenovo ThinkPad L460 Lenovo ThinkPad L470 Lenovo ThinkPad L540 Lenovo ThinkPad L560 Lenovo ThinkPad L570 Lenovo ThinkPad P51s Lenovo ThinkPad T25 Lenovo ThinkPad T440 Lenovo ThinkPad T440p Lenovo ThinkPad T440s Lenovo ThinkPad T450 Lenovo ThinkPad T450s Lenovo ThinkPad T460 Lenovo ThinkPad T460p Lenovo ThinkPad T460s Lenovo ThinkPad T470 Lenovo ThinkPad T470p Lenovo ThinkPad T470s Lenovo ThinkPad T540p Lenovo ThinkPad T550 Lenovo ThinkPad T560 Lenovo ThinkPad T570 Lenovo ThinkPad W550s Lenovo ThinkPad X240 Lenovo ThinkPad X250 Lenovo ThinkPad X260 20F5 20F6 Lenovo ThinkPad X270.