Deepcool PQ750G 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% 4.382A 1.963A 1.97A 0.977A 75.003 85.511% 1011 26.2 40.35C 0.98
12.189V 5.095V 3.35V 5.118V 87.711 44.59C 114.82V
20% 9.773A 2.947A 2.961A 1.176A 149.941 89.31% 1028 26.7 40.72C 0.977
12.181V 5.09V 3.344V 5.102V 167.888 45.28C 114.79V
30% 15.518A 3.44A 3.458A 1.376A 224.946 90.376% 1124 29.6 41.34C 0.987
12.172V 5.087V 3.34V 5.087V 248.898 46.43C 114.77V
40% 21.278A 3.934A 3.957A 1.578A 300.038 90.532% 1200 31.4 41.84C 0.991
12.165V 5.084V 3.336V 5.072V 331.414 47.36C 114.75V
50% 26.654A 4.923A 4.956A 1.781A 374.486 90.236% 1298 34.3 42.26C 0.993
12.155V 5.079V 3.33V 5.056V 415.006 48.32C 114.71V
60% 32.076A 5.913A 5.958A 1.985A 449.401 89.734% 1415 36.2 42.89C 0.995
12.146V 5.074V 3.324V 5.039V 500.815 49.45C 114.7V
70% 37.500A 6.904A 6.963A 2.19A 524.284 89.063% 1576 39.7 43.32C 0.996
12.138V 5.07V 3.318V 5.023V 588.666 50.42C 114.66V
80% 43.002A 7.896A 7.971A 2.296A 599.476 88.293% 1743 42.1 43.88C 0.996
12.129V 5.065V 3.312V 5.009V 678.961 52.04C 114.64V
90% 48.839A 8.396A 8.464A 2.402A 674.483 87.505% 1926 45.8 44.55C 0.997
12.121V 5.061V 3.308V 4.996V 770.793 53.59C 114.61V
100% 54.685A 8.895A 8.989A 2.509A 749.611 86.637% 1930 45.9 45.53C 0.997
12.113V 5.058V 3.304V 4.982V 865.232 55.55C 114.57V
110% 60.209A 9.893A 10.098A 2.515A 824.642 85.44% 1933 46.0 46.81C 0.998
12.105V 5.054V 3.298V 4.97V 965.173 57.70C 114.55V
CL1 0.114A 11.88A 11.997A 0A 101.29 82.728% 1190 31.3 41.39C 0.972
12.180V 5.067V 3.309V 5.127V 122.438 48.82C 114.8V
CL2 0.113A 19.745A 0A 0A 101.333 81.847% 1122 29.5 40.85C 0.972
12.183V 5.062V 3.346V 5.132V 123.809 46.62C 114.8V
CL3 0.113A 0A 20.057A 0A 67.38 75.452% 1075 28.2 40.41C 0.979
12.182V 5.087V 3.291V 5.132V 89.301 45.53C 114.82V
CL4 61.813A 0A 0A 0A 749.516 87.53% 1937 46.1 45.73C 0.997
12.125V 5.084V 3.342V 5.072V 856.305 56.96C 114.58V

Load regulation is within 1% at 12V and 5V, loose at 3.3V, and pretty loose at 5VSB.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 17.0 mV 11.9 mV 13.4 mV 7.6 mV Pass
20% Load 16.7 mV 12.9 mV 13.1 mV 7.3 mV Pass
30% Load 16.9 mV 13.8 mV 14.0 mV 8.0 mV Pass
40% Load 18.0 mV 14.1 mV 16.7 mV 8.8 mV Pass
50% Load 18.5 mV 15.3 mV 16.1 mV 9.6 mV Pass
60% Load 19.1 mV 15.2 mV 17.9 mV 9.7 mV Pass
70% Load 20.5 mV 15.5 mV 18.0 mV 10.7 mV Pass
80% Load 19.6 mV 16.2 mV 22.0 mV 11.3 mV Pass
90% Load 20.6 mV 17.8 mV 20.8 mV 12.6 mV Pass
100% Load 31.4 mV 20.1 mV 22.9 mV 13.7 mV Pass
110% Load 31.4 mV 20.2 mV 22.9 mV 14.7 mV Pass
Crossload 1 24.0 mV 14.7 mV 16.7 mV 8.2 mV Pass
Crossload 2 18.9 mV 18.1 mV 16.4 mV 8.0 mV Pass
Crossload 3 17.7 mV 15.0 mV 15.8 mV 7.3 mV Pass
Crossload 4 29.3 mV 17.7 mV 21.0 mV 12.6 mV Pass

Ripple suppression is decent.

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