... screen(touch option)3*COM, 1*LPT, 2*PS/2, 1*VGA, 4*USB, 2*Glan, 1*Audio, 1*MIC 1*Mini ... up to 4GBGraphic; Intel GMA 3250 chipsetStorage: Space for 1*2.5" SATA HDDEthernet" 100/1000 EthernetVGA port" 1*VGA ... portAudio" Realtek@ALC662, 5.1 Channel surround audioUSB: 4*USB 2.0Series port; 3*RS232, COM2, RS232/422/485Expansive slot; 1 ... WHD): 287.4*227.4*68(mm)Weight: 4.5KG 10.4" industrial touch panel PC