... : 4*PCS (4pcs on back panel)Back Panel Connectors: 1*VGA+1*TV out +4*USB+1*RJ45 (1000M) +2*Audio ... LANMemory: DDR2 400/533MHz 200PIN SODIMM ; it can be up to 1GBSurport systemWindowx XP,2000,Linux,Windows CERAM1G RAM Hard disk120G ... -wire resistive touch panelsell point: 1-2GRAM,4-32GSSD,VGA,AV,S-Video, LAN, COM function, can installed with a power supply ...