Enermax PlatiGemini 1200W ATX v3.1 & ATX12VO PSU Review: The first of its kind!

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% 8.083A 1.979A 1.995A 0.986A 120.036 89.784% 0 <6.0 44.10C 0.971
12.177V 5.054V 3.308V 5.072V 133.694 40.07C 115.16V
20% 17.174A 2.969A 2.997A 1.184A 240.006 92.171% 0 <6.0 44.98C 0.985
12.175V 5.053V 3.304V 5.069V 260.394 40.65C 115.12V
30% 26.567A 3.465A 3.5A 1.382A 359.49 92.533% 0 <6.0 45.98C 0.99
12.174V 5.052V 3.301V 5.065V 388.494 41.21C 115.1V
40% 36.042A 3.963A 4.005A 1.581A 479.853 92.343% 731 18.9 41.85C 0.993
12.170V 5.048V 3.296V 5.061V 519.639 47.01C 115.07V
50% 45.130A 4.958A 5.013A 1.781A 599.627 92.016% 1000 29.1 42.17C 0.994
12.167V 5.044V 3.292V 5.056V 651.659 47.71C 115.03V
60% 54.282A 5.953A 6.025A 1.98A 720.173 91.509% 1293 36.8 42.79C 0.995
12.165V 5.042V 3.287V 5.052V 786.992 49.01C 115V
70% 63.369A 6.947A 7.038A 2.18A 839.911 90.792% 1627 43.5 43.11C 0.996
12.164V 5.04V 3.283V 5.048V 925.087 50.18C 114.97V
80% 72.532A 7.942A 8.054A 2.281A 959.908 90.051% 1775 45.5 43.67C 0.996
12.160V 5.038V 3.278V 5.043V 1065.966 52.03C 114.93V
90% 82.023A 8.442A 8.553A 2.382A 1079.745 89.392% 1774 45.5 44.90C 0.996
12.157V 5.036V 3.274V 5.039V 1207.879 54.01C 114.89V
100% 91.320A 8.939A 9.084A 2.98A 1199.78 88.655% 1771 45.4 45.28C 0.996
12.156V 5.035V 3.27V 5.034V 1353.316 55.29C 114.84V
110% 100.560A 9.936A 10.199A 2.983A 1320.394 87.815% 1772 45.4 46.89C 0.996
12.153V 5.033V 3.265V 5.03V 1503.613 57.85C 114.8V
CL1 0.115A 11.919A 12.025A 0A 101.303 86.346% 737 19.2 40.51C 0.969
12.182V 5.051V 3.301V 5.074V 117.323 46.01C 115.16V
CL2 0.115A 19.814A 0A 0A 101.397 84.999% 634 12.8 40.18C 0.969
12.183V 5.047V 3.312V 5.077V 119.295 47.25C 115.16V
CL3 0.115A 0A 20.033A 0A 67.398 79.849% 736 19.2 40.20C 0.946
12.179V 5.058V 3.294V 5.072V 84.408 49.27C 115.16V
CL4 98.788A 0A 0A 0A 1200.144 89.324% 1785 45.6 45.32C 0.996
12.148V 5.041V 3.278V 5.04V 1343.591 56.30C 114.85V

Load regulation is tight on all rails but 3.3V.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 5.9 mV 5.1 mV 4.2 mV 6.0 mV Pass
20% Load 6.0 mV 5.0 mV 5.1 mV 8.5 mV Pass
30% Load 6.8 mV 5.2 mV 5.7 mV 9.3 mV Pass
40% Load 7.0 mV 5.4 mV 6.4 mV 12.2 mV Pass
50% Load 7.4 mV 5.9 mV 7.2 mV 12.0 mV Pass
60% Load 7.6 mV 6.6 mV 9.2 mV 13.8 mV Pass
70% Load 8.2 mV 7.9 mV 9.6 mV 16.3 mV Pass
80% Load 9.1 mV 7.7 mV 13.9 mV 17.0 mV Pass
90% Load 9.0 mV 8.3 mV 17.4 mV 20.0 mV Pass
100% Load 13.0 mV 10.2 mV 21.6 mV 25.4 mV Pass
110% Load 13.3 mV 11.8 mV 23.1 mV 32.1 mV Pass
Crossload 1 8.8 mV 6.9 mV 13.3 mV 16.5 mV Pass
Crossload 2 5.8 mV 5.9 mV 7.6 mV 13.8 mV Pass
Crossload 3 5.8 mV 6.9 mV 14.4 mV 17.3 mV Pass
Crossload 4 12.8 mV 9.3 mV 15.1 mV 15.9 mV Pass

Ripple suppression is good on all rails.

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One thought on “Enermax PlatiGemini 1200W ATX v3.1 & ATX12VO PSU Review: The first of its kind!

  1. This seems like a great choice for a PSU, but the underperforming OPP and OCP protections are holding me back from buying it. Have there been any known updates to address this? Since I am not an electrical engineer, I am left wondering what the worst case scenario is for these shortcomings- i.e., damaged pc components, house burns down, etc… Thanks in advance for any update.

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