Sharkoon Rebel P20 1200W 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% 8.078A 1.982A 1.978A 0.984A 119.999 86.839% 0 <6.0 44.29C 0.971
12.182V 5.045V 3.336V 5.08V 138.186 40.23C 114.87V
20% 17.187A 2.975A 2.971A 1.187A 239.958 91.027% 0 <6.0 45.27C 0.976
12.163V 5.042V 3.332V 5.057V 263.611 40.94C 114.83V
30% 26.580A 3.473A 3.469A 1.391A 359.215 91.494% 0 <6.0 46.30C 0.978
12.158V 5.04V 3.33V 5.035V 392.61 41.49C 114.8V
40% 36.081A 3.973A 3.969A 1.596A 479.567 91.159% 975 22.7 41.79C 0.982
12.149V 5.035V 3.326V 5.012V 526.073 46.85C 114.75V
50% 45.205A 4.972A 4.969A 1.805A 599.325 90.671% 970 22.5 42.39C 0.985
12.141V 5.029V 3.321V 4.988V 660.985 47.89C 114.71V
60% 54.368A 5.972A 5.969A 2A 719.764 89.928% 963 22.3 42.51C 0.987
12.140V 5.024V 3.318V 4.964V 800.375 48.56C 114.66V
70% 63.475A 6.975A 6.973A 2.227A 839.594 89.028% 1641 38.2 43.42C 0.988
12.138V 5.019V 3.313V 4.939V 943.045 50.47C 114.62V
80% 72.625A 7.975A 7.977A 2.338A 959.571 88.088% 1639 38.1 43.89C 0.989
12.141V 5.015V 3.31V 4.919V 1089.333 51.98C 114.57V
90% 82.099A 8.477A 8.467A 2.45A 1079.367 87.116% 1636 38 44.79C 0.99
12.142V 5.013V 3.307V 4.899V 1239.004 54.01C 114.5V
100% 91.406A 8.983A 8.992A 3.086A 1199.385 86.02% 2149 45.1 44.84C 0.991
12.140V 5.009V 3.303V 4.861V 1394.316 54.94C 114.46V
110% 100.587A 9.988A 10.093A 3.096A 1319.997 84.82% 2155 45.1 46.55C 0.991
12.146V 5.005V 3.299V 4.845V 1556.238 57.53C 114.4V
CL1 0.115A 11.978A 11.959A 0A 101.297 82.854% 992 23.5 40.08C 0.97
12.163V 5.025V 3.32V 5.103V 122.262 45.55C 114.86V
CL2 0.114A 19.913A 0A 0A 101.348 79.112% 1657 38.5 40.66C 0.971
12.189V 5.02V 3.328V 5.107V 128.108 47.69C 114.87V
CL3 0.114A 0A 19.892A 0A 67.399 76.619% 1660 38.6 39.71C 0.948
12.133V 5.039V 3.318V 5.107V 87.967 48.79C 114.88V
CL4 99.013A 0A 0A 0A 1199.999 86.733% 2149 45.1 45.59C 0.99
12.120V 5.028V 3.318V 4.988V 1383.571 56.57C 114.47V

Load regulation is within 1% on all major rails but 3.3V. It is also loose at 5VSB, but it doesn’t matter so much in this rail, as long as it is within spec.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 15.7 mV 10.6 mV 11.5 mV 16.0 mV Pass
20% Load 12.5 mV 11.6 mV 12.6 mV 16.9 mV Pass
30% Load 11.7 mV 12.7 mV 13.1 mV 16.7 mV Pass
40% Load 12.0 mV 11.4 mV 12.7 mV 16.8 mV Pass
50% Load 12.0 mV 10.9 mV 14.0 mV 19.4 mV Pass
60% Load 13.1 mV 11.6 mV 13.6 mV 20.3 mV Pass
70% Load 10.9 mV 10.4 mV 13.2 mV 18.7 mV Pass
80% Load 9.9 mV 10.0 mV 13.7 mV 18.2 mV Pass
90% Load 12.7 mV 12.0 mV 15.2 mV 21.7 mV Pass
100% Load 16.3 mV 12.5 mV 17.0 mV 20.2 mV Pass
110% Load 16.9 mV 14.1 mV 17.2 mV 20.8 mV Pass
Crossload 1 25.9 mV 11.8 mV 13.8 mV 14.2 mV Pass
Crossload 2 23.6 mV 14.9 mV 12.1 mV 13.4 mV Pass
Crossload 3 26.3 mV 11.4 mV 14.3 mV 13.3 mV Pass
Crossload 4 12.7 mV 11.2 mV 14.7 mV 14.5 mV Pass

Ripple suppression is good, especially at 12V.

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