850W, ATX 12V Ver. 3.0, Active PFC, Input Voltage 100-240V, Input Current 10-5A, Input Frequency 50-60Hz, Dimensions (L x W x H) 160 x 150 x 86 mm, Fan Size 135mm, Fan Bearing HDB, Fan Speed 1900 RPM, Efficiency ≥90% @ Typical Load, 80 PLUS Gold, ErP 2014 Lot 3, Operating Temperature 0-50°C, Power Good Signal 100 - 150 ms, Hold Up Time >16ms, MTBF >100,000 Hours