Construction | Heavy duty metal | SBC Form Factor | Full-size, slot CPU card | Drive Bays | 1 x front-accessible 3.5" 6 x 5.25" | Cooling Fans | 4 x 8 cm | I/O Openings | 2 x COM, 3 x LPT, 1 x PS/2 | Expansion Slots | 20 slots | Indicators | Power, HDD | Buttons | Power switch, reset | Operating Temperature | 0~50℃ | Operation Humidity | 10% ~ 90% | Color | W: White / B: Black | Weight (Net/ Gross) | 15.4kg / 20.4kg | Dimensions (DxWxH) | 674mm x 431mm x 176mm | |