SURGE PROOF COMPLIES WITH FCC PART 15 CLASS B AND CISPR22 115 VAC OPERATION 230 VAC OPERATION LOW NOISE AND RIPPLE OVER 72% EFFICIENCY TYPICAL ON FULL LOAD OUTPUT OVER VOLTAGE. OVERCURRENT PROTECTION SHORT CIRCUIT PROTECTION ON ALL OUTPUT 100% BURN-IN TESTED(45?±5) 100% HI-POT ATE TESTED OVER 50000 HOURS MTBF AT 25 2 x SATA Connectors.