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Overload Tests

Below you can see the maximum we could pull from this power supply. We couldn’t pull more than that because the power supply shut down, showing that its protections were working just fine. Under this extreme scenario efficiency dropped below 80%.

Input Overload Test
+12VA 33 A (396 W)
+12VB 33 A (396 W)
+5V 15 A (75 W)
+3.3 V 15 A (49.5 W)
+5VSB 3 A (15 W)
-12 V 0.5 A (6 W)
Total 937.5 W
% Max Load 133.93%
Room Temp. 40.4° C
PSU Temp. 43.6° C
AC Power 1,234 W
Efficiency 77.9%
AC Voltage 110.2 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.