HP EliteBook ProBook 230W Docking Station/Port Replicator (VB043AA) 4 x USB 2.0 ports (3 Always On, 1 Powered) 1 x VGA, 1 x Serial, 1 x DVID 1 x Parallel Port, 1 x Serial Port, 1 x RJ45 Network Jack 1 x Mouse connector, 1 x Keyboard connector, 1 x Headphone Jack Compatible Models: HP EliteBook 2170p, 8440p, 8460p, 8470p, 8530p