Sharkoon Rebel P20 850W 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% 5.216A 1.994A 1.973A 0.983A 84.997 84.516% 0 <6.0 44.20C 0.963
12.154V 5.015V 3.344V 5.088V 100.569 40.19C 114.88V
20% 11.442A 2.991A 2.963A 1.183A 169.927 89.506% 0 <6.0 44.99C 0.982
12.150V 5.014V 3.341V 5.073V 189.848 40.72C 114.86V
30% 18.051A 3.49A 3.459A 1.384A 254.931 90.634% 0 <6.0 46.15C 0.98
12.126V 5.014V 3.339V 5.057V 281.273 41.41C 114.82V
40% 24.649A 3.99A 3.955A 1.587A 340.015 90.779% 0 <6.0 47.00C 0.98
12.123V 5.012V 3.337V 5.042V 374.549 41.97C 114.8V
50% 30.861A 4.989A 4.948A 1.791A 424.803 90.338% 0 <6.0 47.89C 0.984
12.128V 5.011V 3.335V 5.026V 470.239 42.40C 114.77V
60% 37.096A 5.993A 5.948A 1.996A 509.349 89.807% 917 20.0 42.52C 0.986
12.118V 5.006V 3.329V 5.01V 567.157 48.53C 114.73V
70% 43.390A 6.997A 6.948A 2.203A 594.657 89.286% 915 20.0 43.05C 0.987
12.112V 5.003V 3.325V 4.994V 666.013 50.13C 114.7V
80% 49.659A 7.996A 7.946A 2.309A 679.488 88.649% 910 19.8 43.88C 0.988
12.115V 5.001V 3.322V 4.981V 766.493 51.89C 114.67V
90% 56.292A 8.496A 8.433A 2.415A 764.912 87.897% 903 19.7 44.52C 0.989
12.123V 5.001V 3.32V 4.969V 870.238 53.56C 114.64V
100% 62.719A 9A 8.953A 3.038A 849.722 87.073% 1536 36.3 45.03C 0.99
12.118V 4.999V 3.317V 4.938V 975.876 55.08C 114.61V
110% 68.989A 10.003A 10.048A 3.044A 934.304 86.251% 1536 36.3 46.65C 0.99
12.119V 4.997V 3.314V 4.928V 1083.249 57.59C 114.56V
CL1 0.114A 12A 11.925A 0A 101.291 81.469% 921 20.1 41.33C 0.971
12.198V 5.016V 3.329V 5.111V 124.335 46.79C 114.87V
CL2 0.114A 19.874A 0A 0A 101.337 79.865% 1545 36.5 39.61C 0.973
12.167V 5.029V 3.336V 5.114V 126.886 46.71C 114.88V
CL3 0.114A 0A 19.842A 0A 67.394 74.296% 1545 36.5 41.99C 0.959
12.155V 5.007V 3.327V 5.114V 90.709 51.05C 114.88V
CL4 70.268A 0A 0A 0A 849.494 87.973% 1535 36.3 46.72C 0.989
12.090V 5.003V 3.333V 5.055V 965.631 57.69C 114.61V

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 14.2 mV 14.1 mV 13.1 mV 17.4 mV Pass
20% Load 17.1 mV 14.1 mV 14.0 mV 17.3 mV Pass
30% Load 15.3 mV 14.5 mV 14.1 mV 18.0 mV Pass
40% Load 15.1 mV 15.2 mV 14.8 mV 17.8 mV Pass
50% Load 15.1 mV 15.3 mV 14.7 mV 18.0 mV Pass
60% Load 14.9 mV 15.1 mV 15.5 mV 19.0 mV Pass
70% Load 15.5 mV 15.9 mV 16.7 mV 19.2 mV Pass
80% Load 15.8 mV 16.8 mV 16.6 mV 19.4 mV Pass
90% Load 17.0 mV 18.3 mV 18.6 mV 21.4 mV Pass
100% Load 21.2 mV 17.9 mV 19.1 mV 22.9 mV Pass
110% Load 22.4 mV 18.3 mV 20.3 mV 23.2 mV Pass
Crossload 1 14.7 mV 15.9 mV 16.2 mV 16.2 mV Pass
Crossload 2 14.5 mV 20.5 mV 14.4 mV 15.7 mV Pass
Crossload 3 14.5 mV 15.0 mV 16.6 mV 14.1 mV Pass
Crossload 4 21.2 mV 18.4 mV 19.0 mV 18.7 mV Pass

Ripple suppression is good, especially at 12V.

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