Cooler Master V850i Gold 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% 5.246A 1.985A 1.998A 0.996A 85.004 88.755% 0 <6.0 43.86C 0.935
12.087V 5.037V 3.304V 5.02V 95.774 39.64C 114.91V
20% 11.514A 2.98A 3A 1.199A 169.951 91.039% 0 <6.0 45.49C 0.975
12.077V 5.033V 3.3V 5.005V 186.678 40.88C 114.9V
30% 18.139A 3.479A 3.503A 1.402A 254.962 91.615% 0 <6.0 46.76C 0.987
12.069V 5.03V 3.297V 4.993V 278.295 41.65C 114.87V
40% 24.779A 3.978A 4.008A 1.606A 340.053 91.561% 0 <6.0 47.35C 0.991
12.061V 5.028V 3.293V 4.981V 371.392 41.80C 114.86V
50% 31.066A 4.976A 5.016A 1.812A 424.903 91.09% 475 11.7 42.03C 0.994
12.051V 5.024V 3.29V 4.968V 466.467 48.11C 114.83V
60% 37.336A 5.976A 6.026A 2A 509.348 90.464% 475 11.7 42.63C 0.995
12.042V 5.02V 3.286V 4.956V 563.041 49.27C 114.81V
70% 43.680A 6.978A 7.038A 2.226A 594.753 89.696% 794 23.6 43.49C 0.996
12.034V 5.017V 3.283V 4.942V 663.076 50.56C 114.79V
80% 50.036A 7.979A 8.049A 2.332A 679.588 88.84% 799 23.8 44.18C 0.996
12.025V 5.013V 3.279V 4.932V 764.955 52.22C 114.77V
90% 56.801A 8.483A 8.546A 2.437A 765.007 87.875% 1356 39.8 45.08C 0.996
12.016V 5.01V 3.275V 4.924V 870.558 54.17C 114.74V
100% 63.311A 8.988A 9.075A 3.064A 849.835 86.933% 1359 39.8 45.42C 0.997
12.006V 5.008V 3.272V 4.896V 977.565 55.44C 114.72V
110% 69.703A 9.994A 10.186A 3.068A 934.422 85.706% 1777 47.1 47.22C 0.997
11.996V 5.004V 3.268V 4.89V 1090.269 58.15C 114.69V
CL1 0.116A 14.4A 14.467A 0A 121.31 85.189% 0 <6.0 54.41C 0.961
12.077V 5.015V 3.297V 5.044V 142.406 48.89C 114.89V
CL2 0.116A 19.96A 0A 0A 101.416 84.397% 0 <6.0 52.04C 0.948
12.085V 5.011V 3.304V 5.062V 120.165 44.81C 114.9V
CL3 0.115A 0A 20.014A 0A 67.38 79.09% 480 11.9 43.42C 0.926
12.083V 5.037V 3.297V 5.047V 85.194 52.52C 114.9V
CL4 70.725A 0A 0A 0A 849.543 87.48% 1361 39.8 45.84C 0.997
12.012V 5.028V 3.28V 5.037V 971.141 56.81C 114.71V

Load regulation is within 1% on all primary rails, but 3.3V, where it is a little higher (1.1%).

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 9.3 mV 8.3 mV 10.9 mV 12.2 mV Pass
20% Load 8.2 mV 7.8 mV 12.1 mV 16.1 mV Pass
30% Load 8.8 mV 7.9 mV 13.8 mV 17.0 mV Pass
40% Load 10.1 mV 8.1 mV 13.8 mV 26.0 mV Pass
50% Load 11.8 mV 8.9 mV 14.8 mV 27.0 mV Pass
60% Load 12.3 mV 10.3 mV 15.6 mV 28.6 mV Pass
70% Load 13.5 mV 11.5 mV 17.4 mV 21.3 mV Pass
80% Load 14.7 mV 12.5 mV 18.8 mV 22.3 mV Pass
90% Load 16.0 mV 13.2 mV 19.7 mV 22.9 mV Pass
100% Load 24.9 mV 16.8 mV 21.8 mV 16.0 mV Pass
110% Load 27.1 mV 17.5 mV 22.6 mV 16.6 mV Pass
Crossload 1 15.9 mV 19.8 mV 20.8 mV 18.6 mV Pass
Crossload 2 12.7 mV 13.5 mV 13.4 mV 16.7 mV Pass
Crossload 3 9.6 mV 17.9 mV 23.0 mV 17.8 mV Pass
Crossload 4 23.3 mV 8.6 mV 16.0 mV 21.5 mV Pass

Ripple suppression is good, but not groundbreaking, on all rails.

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3 thoughts on “Cooler Master V850i Gold PSU Review

  1. Thanks Aris. Been waiting for this.

    Got this psu on prime day discounted w/ a $50 rebate based on your ATX 3.0 tier list. Was hesitant to jump the gun since there was no cybernetics report or in-depth reviews on the 850W at the time.

    Relieved to see your positive endorsement of the OEM. 😅

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