AC input Voltage: 95-132VAC or 190-264 VAC switchable AC input Frequency:50HZ/60HZ AC input Current:10A res max. for 115VAC, 5A res max. for 230VAC Ripple-noise:5A res max. for 230VAC Operation temperature:0oC ~+40oC Hold up time :16ms Dielectric withstand:Input to frame ground 1800VAC for 1 second Power good signal:Power on delay time 100ms to 500ms power fail :oC>=1ms Overload protection :150% Main Pin (20+4) SATA Pin One Ball bearing Fan with noise killer Detachable metal grill. Switchable voltage between 115-230v Resetable on power shut down, rear on /off switch power down 100% Burn in and Hi-pot tested CE/TUV/FCC/UL approval. Built in EMI filter on power outlet