Dell Docking Station Pro2x for Dell Latitude  E6400,E6410,E6420,E6500,and E6520 Laptops. Easy removal from your ham station wiring when you want to use your laptop for portable use. HOT DOCKING. Dual Monitor capable, and many USB, audio in/out etc for maximum redundancy and connectivity With USB 3.0 port.      $45.00 each.