MSI MAG A850GL PCIE5 850W 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% 5.217A 2A 2.019A 0.986A 85 87.597% 1119 28.8 40.05C 0.957
12.153V 5V 3.269V 5.07V 97.034 44.14C 114.82V
20% 11.447A 3.002A 3.031A 1.186A 169.936 90.641% 1123 28.9 40.75C 0.977
12.147V 4.997V 3.267V 5.059V 187.48 45.10C 114.79V
30% 18.031A 3.503A 3.538A 1.387A 254.948 91.402% 1124 29.0 41.33C 0.981
12.140V 4.995V 3.265V 5.046V 278.932 45.99C 114.76V
40% 24.628A 4.006A 4.045A 1.59A 340.04 91.495% 1130 29.2 41.79C 0.978
12.134V 4.993V 3.263V 5.033V 371.646 46.84C 114.74V
50% 30.868A 5.009A 5.06A 1.793A 424.857 91.129% 1133 29.4 42.31C 0.977
12.127V 4.992V 3.261V 5.02V 466.215 47.78C 114.7V
60% 37.090A 6.012A 6.075A 1.998A 509.365 90.64% 1139 29.5 42.69C 0.979
12.121V 4.99V 3.259V 5.007V 561.963 48.76C 114.68V
70% 43.383A 7.017A 7.092A 2.203A 594.674 90.001% 1143 29.6 43.11C 0.981
12.115V 4.988V 3.257V 4.993V 660.745 50.17C 114.64V
80% 49.693A 8.023A 8.112A 2.309A 679.516 89.092% 1679 40.3 43.75C 0.982
12.107V 4.985V 3.254V 4.982V 762.71 51.83C 114.61V
90% 56.426A 8.531A 8.613A 2.414A 765.015 88.172% 2383 48.2 44.09C 0.983
12.096V 4.982V 3.251V 4.971V 867.639 53.13C 114.58V
100% 63.058A 9.035A 9.139A 2.521A 849.7 87.329% 2379 48.2 45.04C 0.985
12.092V 4.98V 3.25V 4.959V 972.994 55.09C 114.55V
110% 69.444A 10.043A 10.253A 2.525A 935.088 86.279% 2382 48.2 46.95C 0.986
12.087V 4.978V 3.248V 4.95V 1083.803 57.91C 114.51V
CL1 0.115A 13.278A 13.424A 0A 111.304 83.207% 1155 29.9 42.00C 0.972
12.161V 4.986V 3.255V 5.084V 133.771 47.48C 114.81V
CL2 0.114A 20.031A 0A 0A 101.341 81.293% 1159 29.9 41.21C 0.972
12.166V 4.99V 3.269V 5.089V 124.662 48.30C 114.82V
CL3 0.114A 0A 20.264A 0A 67.386 75.904% 1131 29.3 40.33C 0.958
12.163V 5V 3.257V 5.089V 88.779 49.42C 114.83V
CL4 70.224A 0A 0A 0A 849.566 88.212% 2393 48.3 45.98C 0.985
12.099V 5V 3.269V 5.027V 963.099 56.96C 114.56V

Load regulation is within 1% on all rails, so it is tight enough.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 17.1 mV 11.6 mV 13.1 mV 7.8 mV Pass
20% Load 20.7 mV 10.8 mV 12.0 mV 11.3 mV Pass
30% Load 23.5 mV 11.7 mV 13.6 mV 12.7 mV Pass
40% Load 21.6 mV 12.0 mV 13.9 mV 11.2 mV Pass
50% Load 14.4 mV 10.9 mV 12.1 mV 10.8 mV Pass
60% Load 13.5 mV 10.9 mV 12.2 mV 13.8 mV Pass
70% Load 14.9 mV 10.5 mV 12.5 mV 17.5 mV Pass
80% Load 16.0 mV 13.0 mV 14.4 mV 9.7 mV Pass
90% Load 17.4 mV 13.8 mV 15.0 mV 13.6 mV Pass
100% Load 27.6 mV 13.8 mV 16.0 mV 15.2 mV Pass
110% Load 26.8 mV 13.9 mV 16.2 mV 15.9 mV Pass
Crossload 1 29.6 mV 12.7 mV 14.5 mV 7.0 mV Pass
Crossload 2 20.1 mV 19.9 mV 16.1 mV 8.7 mV Pass
Crossload 3 18.8 mV 12.3 mV 18.8 mV 7.3 mV Pass
Crossload 4 25.1 mV 11.7 mV 14.8 mV 9.9 mV Pass

Ripple suppression is good on all rails.

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6 thoughts on “MSI MAG A850GL PCIE5 850W PSU Review

  1. Hi, glad to find review of this one, thanks! If you were to choose between:
    a/ Thermaltake GF A3 850W for 115 EUR
    b/ MSI MAG A750GL PCIE5 for 98 EUR
    which one would you choose? The PC is i7-11700 + RX 6750 XT.

    1. Well, I know this is problably the type of questions you really don’t like to answer, but I’ll be most probably changing 6750 XT to 7700 XT in the shopping list, hence budget for the PSU gets lower… What would be the cheapest 700W+ PSUs I could get and would still be decent? I would prefer semi-modular or modular.

  2. Hi there, i have a question i know the anwser but i want to ask you, the A850 is very cheap now like under 100 Euros, and the SuperFlower 1000w XP is 180e. The construction, quality is very different? Should i go for the Super, or the A850 is enough? i have a system of 550W, and i will buy a new gpu from the 5000 series. Thank you!

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