Dimensions: 150mm x 85mm x 140mm (W x H x D) Input Voltage: 100-240 VAC Input Current: 3-6A Input Frequency Range: 50-60Hz PFC: Active PFC (>.99) Power Good Signal: 100-500 ms Hold Up Time: >17ms Efficiency: > 81% (85% max) MTBF: > 100,000 Hours Protection: OVP / UVP/ OTP / OCP/ OLP/ OPP/ SCP Power: 450W Operation Temperature: 0-40癈 Safety: CE / FCC / CB Cooling: 120mm Ultra Silent Fan Noise: 80 Plus Certified: Yes - 80 Plus Bronze