• 3 x Hi-Speed USB - 4 PIN USB Type A
• 1 x PoweredUSB 2.0
• 1 x keyboard - generic - 6 pin mini-DIN (PS/2 style)
• 1 x mouse - generic - 6 pin mini-DIN (PS/2 style)
• 1 x audio - line-In - mini-phone stereo 3.5 mm
• 1 x audio - line-out - mini-phone stereo 3.5 mm
• 1 x parallel - IEEE 1284 (EPP/ECP) - 25 pin D-Sub (DB-25)
• 1 x serial - 9 pin D-Sub (DB-9)
• 1 x modem - phone line - RJ-11
• 1 x network - RJ-45
• 1 x display / video - S-video output
• 1 x display / video - composite video output
• 1 x display / video - VGA - 15 pin HD D-Sub (HD-15)
• 1 x display / video
• 1 x docking / port replicator

Unit is compatible with:
HP Compaq nc4200 Business Notebook PC
HP Compaq nc4400 Business Notebook PC
HP Compaq nc6120 Business Notebook PC
HP Compaq nc6200 Business Notebook PC
HP Compaq nc6220 Business Notebook PC
HP Compaq nc6320 Business Notebook PC
HP Compaq nc6400 Business Notebook PC
HP Compaq nc8230 Business Notebook PC
HP Compaq nc8430 Business Notebook PC
HP Compaq nw8240 Mobile Workstation
HP Compaq nw8440 Mobile Workstation
HP Compaq nw9440 Business Notebook PC
HP Compaq nx6120 Business Notebook PC
HP Compaq nx6125 Business Notebook PC
HP Compaq nx6130 Business Notebook PC
HP Compaq nx6325 Business Notebook PC
HP Compaq nx8220 Business Notebook PC
HP Compaq nx8420 Business Notebook PC
HP Compaq nx9420 Business Notebook PC
HP Compaq tc4200 Tablet PC
HP Compaq tc4400 Tablet PC
HP Compaq 6510b Business Notebook PC
HP Compaq 6710b Business Notebook PC
HP Compaq 6715b Business Notebook PC
HP Compaq 6910p Business Notebook PC
HP Compaq 8510p Business Notebook PC
HP Compaq 8510w Mobile Workstation
HP Compaq 8710p Business Notebook PC
HP Compaq 8710w Mobile Workstation
HP Compaq nw8440 Mobile Workstation
HP Compaq nx7400 Business Notebook PC