IBM(R) ThinkPad X4 UltraBase Dock

Enhance the functionality of your ThinkPad X40 Series notebook by snapping it into the IBM ThinkPad X4 UltraBase Dock. The dock is a simple, quick-attach solution, is easy to carry and gives you an array of expansion capabilities in the office or on the road.Ports: 1 x 25-pin D-sub (DB-25) IEEE 1284 (EPP/ECP) parallel1 x 9-pin D-sub (DB-9) RS-232C serial1 x 6-pin mini-DIN (PS/2 style) mouse/keyboard1 x 15-pin D-sub (HD-15) VGA1 x RJ-11 modem1 x RJ-45 network3 x 4-pin Type A USB 2.01 x DC-in Expansion bays: 1 modular bay Integrated devices: 2 x stereo speakersSecurity slot: locking device keyhole (cable lock)