Lenovo ThinkPad Ultra Docking Station 135W: Lenovo ThinkPad Ultra Docking Station  (40AJ0135)- Lenovo USA ThinkPad Ultra Docking Station For P52s  T580, T480s, T480, X1 Carbon 2018, X280. It has two USB-C 3.1 ports, one VGA port, one HDMI 2.0 port, and two DisplayPort ports. The Ultra dock, a 135W Slim tip AC adapter with a two-pin power cord, two locking keys, and a setup poster are all included in the Lenovo retail packaging. One HDMI port