40A10090US Lenovo ThinkPad Pro Dock 90W features a unique physical alignment mechanism for perfect notebook-to-dock connection every time. One USB 2.0 port supports always-on mobile device charging even when the laptop is away. Ports include 3x USB 3.0, 3x USB 2.0, DisplayPort 1.2, DVI-D, VGA, 10/1000 Gigabit Ethernet, stereo/mic combo audio, and a security lock slot. Available at Chicago Computer Supply.