Hp advanced docking station 120w nz222aa
Laptop docking station external interfaces lan rj45 usb 20 ps2 x2 audio out serial port parallel audio in kensington lock slot esata video outputs dvi 2x displayport 2x usb 20 ports 6 compatible with hp elitebook 8440p hp probook 6440b hp probook 6540b hp probook 6545b