DeepCool PN650M 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% 3.582A 1.999A 1.972A 0.991A 65.001 85.018% 1127 26.9 40.03C 0.954
12.114V 5.002V 3.347V 5.045V 76.455 44.25C 114.83V
20% 8.180A 3.003A 2.959A 1.194A 129.929 88.957% 1131 27.0 40.82C 0.972
12.107V 4.995V 3.345V 5.027V 146.057 45.34C 114.81V
30% 13.131A 3.507A 3.455A 1.397A 194.93 90.183% 1135 27.0 41.08C 0.979
12.099V 4.99V 3.343V 5.012V 216.149 46.09C 114.79V
40% 18.096A 4.013A 3.952A 1.602A 260.014 90.387% 1137 27.1 41.85C 0.983
12.092V 4.984V 3.34V 4.996V 287.667 47.39C 114.77V
50% 22.716A 5.023A 4.942A 1.808A 325.006 90.132% 1142 27.2 42.17C 0.984
12.084V 4.977V 3.339V 4.978V 360.589 48.24C 114.74V
60% 27.290A 6.035A 5.933A 2A 389.272 89.632% 1145 27.4 42.74C 0.984
12.075V 4.972V 3.338V 4.961V 434.297 49.33C 114.73V
70% 31.948A 7.049A 6.923A 2.226A 454.662 88.923% 1203 28.5 43.34C 0.983
12.068V 4.966V 3.337V 4.942V 511.302 50.41C 114.7V
80% 36.614A 8.066A 7.915A 2.334A 519.459 87.971% 1731 39.7 43.74C 0.984
12.060V 4.958V 3.335V 4.928V 590.489 51.75C 114.68V
90% 41.688A 8.584A 8.405A 2.442A 584.886 87.185% 2199 45.5 44.46C 0.986
12.051V 4.951V 3.331V 4.914V 670.858 53.53C 114.66V
100% 46.504A 9.102A 8.925A 3.073A 649.717 86.279% 2355 48.7 45.50C 0.987
12.042V 4.944V 3.327V 4.882V 753.038 55.53C 114.62V
110% 51.193A 10.128A 10.011A 3.081A 714.355 85.214% 2352 48.6 46.72C 0.988
12.034V 4.936V 3.326V 4.87V 838.305 57.56C 114.61V
CL1 0.115A 12.086A 11.749A 0A 101.292 82.637% 1155 27.6 41.87C 0.967
12.110V 4.981V 3.379V 5.059V 122.579 47.33C 114.82V
CL2 0.114A 20.042A 0A 0A 101.335 79.271% 1170 27.9 40.43C 0.968
12.116V 4.987V 3.334V 5.064V 127.835 47.47C 114.82V
CL3 0.114A 0A 19.27A 0A 67.382 76.646% 1136 27.1 40.98C 0.956
12.115V 5.016V 3.425V 5.066V 87.911 49.99C 114.84V
CL4 53.884A 0A 0A 0A 649.55 87.663% 2368 49.1 45.18C 0.987
12.055V 4.983V 3.311V 5.001V 740.969 56.08C 114.64V

Load regulation is tight on all rails but 5V, which wasn’t the case in the other family models I have tested so far.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 15.5 mV 12.4 mV 15.8 mV 12.8 mV Pass
20% Load 17.4 mV 11.6 mV 15.1 mV 9.4 mV Pass
30% Load 19.3 mV 12.2 mV 16.3 mV 14.2 mV Pass
40% Load 21.5 mV 12.3 mV 15.8 mV 10.5 mV Pass
50% Load 20.3 mV 11.9 mV 16.4 mV 12.1 mV Pass
60% Load 19.6 mV 12.2 mV 16.6 mV 13.3 mV Pass
70% Load 18.8 mV 13.5 mV 18.3 mV 19.0 mV Pass
80% Load 20.0 mV 13.7 mV 19.3 mV 16.6 mV Pass
90% Load 19.7 mV 12.6 mV 18.0 mV 14.3 mV Pass
100% Load 30.3 mV 13.1 mV 23.1 mV 17.4 mV Pass
110% Load 31.2 mV 13.1 mV 22.7 mV 17.1 mV Pass
Crossload 1 27.2 mV 13.6 mV 22.3 mV 9.8 mV Pass
Crossload 2 19.6 mV 20.8 mV 22.8 mV 9.4 mV Pass
Crossload 3 17.5 mV 12.0 mV 19.4 mV 8.2 mV Pass
Crossload 4 29.3 mV 13.4 mV 19.7 mV 12.4 mV Pass

Ripple suppression is not the best in this category but is still satisfactory. Still, I would like to see below 20mV at 3.3V.

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