Model FSP500-50RAB Rated Output Power 500W Form Factor PS2 ATX Redundant 80 PLUS Certification GOLD Input Voltage 100-240 Vac Input Current 8-4 A Input Frequency 60-50 Hz PFC Active PFC Efficiency 90% Fan Type Dual ball bearing fan, 40mm Dimensions(L x W x H) 150 x 86 x 190mm Protection OCP, OVP, SCP, OPP, OTP, FFP, UVP