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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. This unit passed this test, as we couldn’t pull more than shown in the table below, as the power supply would shut down, showing that its protections are present and working fine. During this extreme configuration, noise and ripple levels and voltages were still inside the proper limits.

Input Overload Test
+12VA 22 A (264 W)
+12VB 22 A (264 W)
+5 V 8 A (40 W)
+3.3 V 8 A (26.4 W)
+5VSB 3 A (15 W)
-12 V 0.5 A (6 W)
Total 553.6 W
% Max Load 123.0%
Room Temp. 46.7° C
PSU Temp. 48.5° C
AC Power 731.0 W
Efficiency 75.7%
AC Voltage 113.5 V
Power Factor 0.712
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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.