Personaly I have this: Zalman 750w
http://www.newegg.com/Product/Product.aspx?Item=N82E16817379006&Tpk=zalman%2b750
AC Input Range Voltage 100VAC ~ 240VAC ±10% DC Output
Frequency 47Hz~63Hz ZM750-HP
AC Input Current
(Rated) 115VAC 12A Output V. Output Load Rating Combined
Power
230VAC 5.5A Imin Imax Ipeak
PFC Type Active PFC +3.3V 0.8A 30A 160W 750W
Power Factor 99% Maximum
+5V 0.5A 30A
Inrush Current Limit
(@ Cold start at 25°C) 115VAC 60A +12V1 0.5A 20A 720W
230VAC 100A +12V2 0.5A 20A
Efficiency 86% Maximum @230VAC, Full & Typical load
+12V3 0.5A 20A
DC Output
Voltage
Regulations Output V. Regulation Range At Full
Load +12V4 0.5A 20A
+3.3V ±5% +3.14V~+3.47V -12V 0.0A 0.8A 22.1W
+5V ±5% +4.75V~+5.25V +5VSB 0.0A 2.5A 3.5A
+12V1 ±5% +11.4V~+12.6V Protection Features
+12V2 ±5% +11.4V~+12.6V Over Voltage Protection(OVP)
+12V3 ±5% +11.4V~+12.6V Over Current Protection(OCP)
+12V4 ±5% +11.4V~+12.6V Short Circuit Protection(SCP)
-12V ±10% -10.8V~-13.0V Over Temperature Protection(OTP)
+5VSB ±5% +4.75V~+5.25V Under Voltage Protection(UVP)
DC Output
Ripple
& Noise Output V. Specification At Full
Load Ambient Temperature
+3.3V 80mV Operation 0°C ~ +50°C
+5V 80mV Storage -20°C ~ +80°C
+12V1 150mV Ambient Humidily
+12V2 150mV Operation 5%RH ~ 95%RH
+12V3 150mV Storage 5%RH ~ 95%RH
+12V4 150mV Dimensions
-12V 150mV 165(L) x 150(W) x 86(H) mm
+5VSB 80mV MTBF(25°C) 100,000 hours