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Overload Tests

Below you can see the maximum we could pull from this power supply. The objective of this test is to see if the power supply has its protection circuits working properly. The maximum we could pull from this power supply is listed below. During this test, ripple and noise levels at +5 V, +3.3 V, and +5VSB were above the maximum allowed. Voltage regulation was still excellent, with all voltages within 2% of their nominal values.

Input Overload Test
+12VA 29 A (348 W)
+12VB 29 A (348 W)
+5 V 12 A (60 W)
+3.3 V 12 A (39.6 W)
+5VSB 3 A (15 W)
-12 V 0.5 A (6 W)
Total 818.8 W
% Max Load 126.0%
Room Temp. 46.6° C
PSU Temp. 48.7° C
AC Power 994 W
Efficiency 82.4%
AC Voltage 108.4 V
Power Factor 0.994
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Gabriel Torres is a Brazilian best-selling ICT expert, with 24 books published. He started his online career in 1996, when he launched Clube do Hardware, which is one of the oldest and largest websites about technology in Brazil. He created Hardware Secrets in 1999 to expand his knowledge outside his home country.