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OCZ Fatal1ty 750W Power Supply Review

OCZ Fatal1ty 750W Power Supply Review

OCZ Fatal1ty 750W Gaming Power Supply Review

Testing Results

Testing Temperature: 40°C180W 375W560W750W
3.3v3.30v3.32v3.30v3.30v
5v5.01v5.02v4.99v4.98v
12v 112.101v12.111v12.011v11.980v
     
Efficiency82.5%86.8%85.5%83.1%
     
Noise Level (PSU Only)29dBA31dBA35dBA41dBA
     
Exhaust Temp (Ambient 25°C)27.1°C28.8°C29.9°C33.1°C

Oscilloscope AC Ripple (mV p-p)+3.3+5+12
750W182140

In our results we look at the performance of the PSU when using our various testing tools to run the product in a controlled environment at 40c. Looking first to the 12v, 3.3v and 5v performance first we see a unit which supplies decent readings across the various lines. No PSU is rock solid under load so the fluctuation on the 5v/12v is expected as the load increases but readings still remain within the tolerance for those lines. AC ripple is decent for this price range and well within requirements at 18/21 (out of 50) on 3.3/5v and 40(out of 120) on 12v.

Looking at the efficiency OCZ exceed the bronze spec easily and exhaust temperatures are good. This is expected given the reasonably high RPM 13.5cm fan, though it is a touch louder at load than we would like.

About Author

Stuart Davidson

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