Sharkoon Rebel P20 750W 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% 4.376A 1.981A 1.979A 0.988A 75.002 83.433% 0 <6.0 44.45C 0.954
12.205V 5.048V 3.334V 5.061V 89.895 40.36C 114.89V
20% 9.755A 2.972A 2.972A 1.191A 149.942 88.192% 0 <6.0 45.01C 0.975
12.203V 5.048V 3.331V 5.039V 170.016 40.73C 114.86V
30% 15.495A 3.467A 3.469A 1.395A 224.949 89.994% 0 <6.0 45.95C 0.982
12.191V 5.047V 3.33V 5.018V 249.957 41.21C 114.84V
40% 21.241A 3.964A 3.967A 1.601A 300.038 90.395% 0 <6.0 46.70C 0.984
12.186V 5.046V 3.328V 4.998V 331.921 41.66C 114.8V
50% 26.580A 4.956A 4.962A 1.809A 374.484 90.099% 0 <6.0 47.79C 0.986
12.189V 5.045V 3.326V 4.977V 415.637 42.28C 114.79V
60% 31.977A 5.952A 5.963A 2A 449.318 89.653% 787 15.2 42.86C 0.986
12.183V 5.041V 3.321V 4.959V 501.171 48.88C 114.75V
70% 37.387A 6.949A 6.968A 2.228A 524.32 89.222% 786 15.1 43.26C 0.986
12.175V 5.038V 3.316V 4.938V 587.656 50.35C 114.72V
80% 42.863A 7.941A 7.971A 2.334A 599.676 88.794% 784 15.1 44.97C 0.987
12.175V 5.036V 3.312V 4.928V 675.222 53.02C 114.7V
90% 48.598A 8.438A 8.459A 2.442A 674.538 88.046% 777 14.8 45.45C 0.988
12.182V 5.036V 3.31V 4.914V 766.116 54.58C 114.67V
100% 54.140A 8.934A 8.976A 3.078A 749.757 87.141% 772 14.6 46.11C 0.989
12.192V 5.036V 3.309V 4.873V 860.398 56.17C 114.64V
110% 59.590A 9.929A 10.074A 3.079A 824.78 86.235% 1351 32.8 46.98C 0.99
12.191V 5.035V 3.305V 4.872V 956.435 57.95C 114.61V
CL1 0.114A 11.913A 11.962A 0A 101.296 81.431% 789 15.3 41.28C 0.967
12.240V 5.053V 3.319V 5.113V 124.395 46.79C 114.87V
CL2 0.113A 19.771A 0A 0A 101.351 79.978% 1360 33.0 40.37C 0.968
12.214V 5.056V 3.326V 5.116V 126.724 47.46C 114.87V
CL3 0.113A 0A 19.9A 0A 67.398 74.304% 1360 33.0 40.41C 0.955
12.200V 5.039V 3.317V 5.115V 90.705 49.51C 114.89V
CL4 61.629A 0A 0A 0A 749.611 88.146% 1346 32.7 42.78C 0.989
12.163V 5.035V 3.322V 5.065V 850.403 53.76C 114.64V

Load regulation is within 1% on all major rails. It is loose at 5VSB, but it doesn’t matter much in this rail as long as it is within spec.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 12.4 mV 11.2 mV 9.7 mV 16.0 mV Pass
20% Load 11.8 mV 11.6 mV 10.2 mV 16.9 mV Pass
30% Load 12.3 mV 11.1 mV 10.3 mV 16.6 mV Pass
40% Load 11.8 mV 11.0 mV 11.1 mV 16.8 mV Pass
50% Load 11.6 mV 13.2 mV 12.1 mV 17.7 mV Pass
60% Load 12.1 mV 11.6 mV 11.3 mV 18.9 mV Pass
70% Load 12.6 mV 11.9 mV 11.8 mV 20.0 mV Pass
80% Load 12.8 mV 12.6 mV 13.8 mV 19.3 mV Pass
90% Load 12.0 mV 13.0 mV 14.2 mV 20.4 mV Pass
100% Load 15.5 mV 13.9 mV 16.0 mV 23.9 mV Pass
110% Load 15.4 mV 13.6 mV 16.8 mV 23.6 mV Pass
Crossload 1 11.6 mV 12.1 mV 12.3 mV 15.8 mV Pass
Crossload 2 12.6 mV 14.9 mV 10.5 mV 15.9 mV Pass
Crossload 3 11.5 mV 11.3 mV 13.6 mV 13.2 mV Pass
Crossload 4 15.2 mV 13.0 mV 14.5 mV 19.4 mV Pass

Ripple suppression is good, especially at 12V.

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