Seasonic Platinum Fanless 520 W Power Supply Review

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, since it shut down when we tried to pull more than what is listed below. During this test, noise and ripple levels were still low, with all outputs still within 3% of their nominal values.

Input Overload Test
+12VA 22 A (264 W)
+12VB 22 A (264 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 651.4 W
% Max Load 125.3%
Room Temp. 49.4° C
PSU Temp. 56.1° C
AC Power 762.2 W
Efficiency 85.5%
AC Voltage 111.8 V
Power Factor 0.996

Author: Gabriel Torres

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.

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