Power Supply Form Factor PS2 Output Power 850W Input Power AC to DC Input Current (maximum) 115V @10A Input Voltage 100 ~ 240V Input Frequency 47 ~ 63 Hz Efficiency 87% Max Temperature 50°C @ 100% Operating Temperature 0 ~ 50°C Storage Temperature -20 ~ 85 °C Storage Humidity 5 ~ 90% RH Output Rating +3.3V @ 20A; +5V @ 20A; +12V @ 70.5A; -12V @ 0.3A; +5Vsb @ 2.5A MTBF (hours @ 25°C) 100K Dimensions (D x W x H) 140 x 150 x 86 mm Safety CE / FCC / UL / CB / TUV / CCC / KC / BSMI / UKCA Manufacturer LITEON