The completely re designed and supercharged thinkpad ultra 170w dock with an included thinkpad 170w ac adapter grows your work capability with its endless connectivity options the ultimate multi port docking solution the thinkpad ultra 170w dock includes a range of video outputs including hdmi 14 and support for multiple external monitors the ultra 170w dock is driver free delivering outstanding video quality it comes with 3x usb 20 ports one of which supports always on usb charging so