Really Cool and Quiet Power Supplies?

Features Table

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Summary of Features
ManufacturerAntecElan VitalEpowerSilverstoneYesico
ProductPhantom 350Greenerger SSMEVP-5007-00Lion 450EP-450P5-L1SST-ST30NFEFN-300FL-420TX(T)P/PFC
Specification
Power300 W500 W450 W300 W (250 W)420 W
ATX StandardATX 12V 2.0ATX 12V 2.0ATX 12V 2.0ATX 12V 1.3ATX 12V 1.3
Cables and Connectors
5.25" Connectors77 (1 VGA)7 (1 VGA)69
Floppy Connectors21223
SATA Connectors22222
ATX Connector 20/24-pinAdaptor/YesYes/AdaptorYes/YesYes/NoYes/No
P4/EPS ConnectorYes/NoYes/NoYes/NoYes/NoYes/No
PCIe ConnectorYesNoYesNoNo
AUX ConnectorNoNoNoYesYes
ExtrasSSM technology3 Fan Connectors 3-pin3 Fan Connectors 5.25"Standby FanTemperature SensorTM function
Remarks300 Watt Power only when PSU is used with 230 Volts

Measurements

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ProductAntecPhantom350WElan VitalGreenerger SSM500WSilverstoneSST-ST30NF300WEpowerLion 450450WYesicoFL-420TX(T)P/PFC420W
Full Load
+3.3VImax3.05 V28.8 A3.20 V34.8 A3.20 V25.0 A3.19 V25.0 A3.16 V20.0 A
+5VImax4.78 V19.0 A4.80 V23.0 A4.87 V19.7 A4.92 V27.5 A5.02 V23.6 A
+12V1VImax11.91 V6.0 A11.92 V10.2 A11.99 V4.3 A12.59 V8.8 A12.30 V9.0 A
+12V2VImax11.86 V6.0 A11.90 V10.2 A11.99 V4.3 A12.52 V8.8 A12.29 V9.0 A
Medium Load
+3.3VImax3.21 V14.4 A3.30 V17.4 A3.29 V13.6 A3.26 V16.7 A3.22 V13.9 A
+5VImax4.90 V9.5 A4.87 V11.5 A4.94 V9.0 A5.06 V11.0 A5.09 V9.2 A
+12V1VImax12.00 V3.0 A11.81 V5.1 A11.95 V2.2 A12.34 V4.4 A12.30 V4.5 A
+12V2VImax11.97 V3.0 A11.78 V5.1 A11.95 V2.2 A12.30 V4.4 A12.28 V4.5 A
Light Load
+3.3VImax3.31 V5.8 A3.35 V7.0 A3.33 V5.5 A3.30 V6.7 A3.26 V5.6 A
+5VImax4.97 V3.8 A4.98 V4.6 A4.97 V3.6 A5.14 V4.4 A5.14 V3.7 A
+12V1VImax12.05 V1.2 A11.73 V2.0 A11.97 V0.9 A12.21 V1.8 A12.27 V1.8 A
+12V2VImax12.04 V1.2 A11.72 V2.0 A11.97 V0.9 A12.20 V1.8 A12.26 V1.8 A
-12V Power Rail
Imin-12.04 V0.06 A-11.77 V0.07 A-12.03 V0.08 A-12.39 V0.10 A-11.99 V0.10 A
Imax-12.00 V0.59 A-11.42 V0.58 A-12.00 V0.62 A-12.05 V0.64 A-11.60 V0.62 A