Model HGE550 Rated Output Power 550W Form Factor ATX 80 PLUS Certification Gold Input Voltage 100V-240V Input Current 8-4A Input Frequency 60-50Hz PFC Active PFC Efficiency 90% Fan Type FDB Fan, 135mm Dimensions(L x W x H) 150 × 170 × 86 mm Protection OCP, OVP, OPP, SCP, UVP, OTP Safety Approval CE, FCC, TUV, BSMI, UL, CCC