HP Docking Station Eport Replicator VB041AA#ABA 

for HP Elitebook & Probook

4 x USB 2.0 (3 Always-On, 1 Powered)

1 x Display Port, 1 x DVI-D, 1 x VGA, 1 x Parallel, 1 x Serial, 1 x RJ-45

AC Adapter is NOT included

Supports the HP Docking Station Cable Lock (Sold Separately)

Allows for quick removal and planting of your laptop

Expands the functionality of your HP laptop.