Lenovo Black 40A20170US 170W ThinkPad Ultra Dock Compatibility: Lenovo ThinkPad T440s 20AQ Notebook Ports Spec: 1 x VGA port 1 x DVI-D port, 2 x DisplayPort, 1 x HDMI port (only 2 can be active) 3 x USB 2.0 ports, one port supports always-on USB charging 3 x USB 3.0 port 10/1000 Gigabit Ethernet port Includes a ThinkPad 170W AC Power Adapter (Slim Tip) Dimension: 13.60 x 6.40 x 2.20 Weight: 1.92 lbs. Electrical Outlet Plug Type: Office Products