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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. We couldn’t evaluate the protections of this power supply, as we were limited by our load tester, which can only pull up to 1,000 W. Furthermore, we couldn’t pull more from this power supply to see if it would burn or shut down. During this extreme configuration, noise and ripple levels were still below the maximum allowed, and voltages were still inside the proper range.

Input Overload Test
+12VA 33 A (396 W)
+12VB 33 A (396 W)
+5 V 23 A (115 W)
+3.3 V 23 A (75.9 W)
+5VSB 3 A (15 W)
-12 V 0.5 A (6 W)
Total 998.6 W
% Max Load 117.5%
Room Temp. 44.6° C
PSU Temp. 49.5° C
AC Power 1,199.0 W
Efficiency 83.3%
AC Voltage 106.3 V
Power Factor 0.999
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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.