Asus Rog Strix 1200W Platinum ATX v3.1 PSU Review

Load Regulation

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
10% 8.138A 1.958A 2.002A 0.969A 120.003 90.686% 0 <6.0 44.27°C 0.979
12.093V 5.106V 3.297V 5.162V 132.33 40.43°C 114.87V
20% 17.292A 2.94A 3.005A 1.166A 239.965 92.671% 0 <6.0 44.21°C 0.979
12.090V 5.103V 3.294V 5.146V 258.943 40.52°C 114.83V
30% 26.736A 3.431A 3.508A 1.365A 359.212 92.878% 0 <6.0 45.71°C 0.987
12.087V 5.101V 3.293V 5.129V 386.762 41.13°C 114.79V
40% 36.276A 3.922A 4.012A 1.565A 479.578 92.631% 0 <6.0 45.75°C 0.991
12.084V 5.1V 3.291V 5.112V 517.732 41.83°C 114.75V
50% 45.424A 4.907A 5.02A 1.767A 599.331 92.006% 340 <6.0 42.41°C 0.994
12.082V 5.095V 3.287V 5.095V 651.399 57.15°C 114.7V
60% 54.639A 5.895A 6.03A 1.97A 719.847 91.099% 528 9 42.79°C 0.995
12.080V 5.09V 3.284V 5.077V 790.184 58.22°C 114.66V
70% 63.792A 6.883A 7.042A 2.174A 839.568 90.067% 727 19.3 43.2°C 0.996
12.078V 5.086V 3.281V 5.059V 932.162 59.04°C 114.62V
80% 73.023A 7.87A 8.054A 2.28A 959.568 89.205% 950 27.8 43.93°C 0.997
12.075V 5.082V 3.278V 5.044V 1075.679 58.57°C 114.57V
90% 82.584A 8.366A 8.548A 2.386A 1079.358 88.346% 1156 34.3 44.75°C 0.997
12.071V 5.079V 3.276V 5.029V 1221.743 59.44°C 114.52V
100% 91.955A 8.862A 9.073A 3.001A 1199.397 87.324% 1225 35.5 45.2°C 0.998
12.068V 5.077V 3.274V 4.998V 1373.504 62.66°C 114.46V
110% 101.248A 9.853A 10.181A 3.009A 1320.006 86.171% 1348 36.4 46.8°C 0.998
12.066V 5.074V 3.271V 4.985V 1531.851 66.55°C 114.4V
CL1 0.116A 15.424A 15.737A 0A 131.303 84.363% 462 <6.0 40.46°C 0.982
12.110V 5.076V 3.279V 5.1e84V 155.643 50.41°C 114.86V
CL2 0.116A 24.639A 0A 0A 126.244 82.295% 588 11.9 40.94°C 0.982
12.107V 5.067V 3.293V 5.188V 153.406 54.37°C 114.86V
CL3 0.114A 0A 25.173A 0A 83.897 77.581% 642 15.5 40.22°C 0.969
12.105V 5.106V 3.277V 5.188V 108.142 49.86°C 114.88V
CL4 99.475A 0A 0A 0A 1199.964 88.005% 1231 35.6 45.98°C 0.997
12.063V 5.101V 3.287V 5.101V 1363.525 58.26°C 114.48V

Load regulation is tight on the main rails.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 14.1 mV 13.6 mV 16.5 mV 12.7 mV Pass
20% Load 14.5 mV 15.0 mV 17.2 mV 14.1 mV Pass
30% Load 14.5 mV 13.4 mV 17.1 mV 12.9 mV Pass
40% Load 16.3 mV 14.4 mV 17.7 mV 13.1 mV Pass
50% Load 16.4 mV 14.7 mV 16.6 mV 14.7 mV Pass
60% Load 16.5 mV 14.1 mV 17.2 mV 14.0 mV Pass
70% Load 17.7 mV 14.2 mV 17.9 mV 16.2 mV Pass
80% Load 19.4 mV 15.1 mV 18.9 mV 14.6 mV Pass
90% Load 21.3 mV 15.2 mV 19.0 mV 15.8 mV Pass
100% Load 24.6 mV 17.4 mV 20.8 mV 17.7 mV Pass
110% Load 25.9 mV 16.0 mV 21.0 mV 18.5 mV Pass
Crossload 1 27.3 mV 16.2 mV 24.0 mV 13.4 mV Pass
Crossload 2 21.3 mV 23.5 mV 25.0 mV 12.5 mV Pass
Crossload 3 18.5 mV 14.3 mV 23.3 mV 13.7 mV Pass
Crossload 4 22.5 mV 15.1 mV 18.6 mV 14.4 mV Pass

Ripple suppression is good enough.

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