4*USB3.0 Type A (Front); 2*USB2.0 Type A(Front); 1*USB2.0 Type A(inside) 8-bit DIO, 2*10-pin terminal, 16-bit DIO(DB25), 1*PS/2(Front) 2*RS232/422/485 DB9(Front), 2*RS232 DB9 (Front),
Audio-out and 1*MIC (Front) 1*HDMI +1*DP+1*VGA(Front)
LED
1*Power LED, 1*HDD LED, 3*CPU temp. LED(Red is warning , Yellow is high, Green is normal)