Lenovo Thinkpad Ultra Dock with 170w Ac Adapter (40A20170US ) - Retail Packaging 3 x USB 2.0 ports, one port supports always-on USB charging, 3 x USB 3.0 port Network (RJ-45) - HDMI - DVI - VGA - Display Port Left corner alignment for easy laptop attachment. Includes a 170W AC Power Adapter 10/1000 Gigabit Ethernet port