MSI MAG A850GLS PCIE5 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% 5.274A 1.99A 1.976A 1.011A 85.007 88.53% 413 <6.0 40.22°C 0.967
12.021V 5.024V 3.34V 4.944V 96.018 42.27°C 114.81V
20% 11.575A 2.989A 2.966A 1.216A 169.95 91.724% 414 <6.0 40.66°C 0.978
12.013V 5.019V 3.338V 4.936V 185.288 43.59°C 114.78V
30% 18.235A 3.489A 3.463A 1.42A 254.959 92.162% 416 <6.0 41.48°C 0.983
12.005V 5.016V 3.336V 4.929V 276.641 45.75°C 114.75V
40% 24.909A 3.991A 3.96A 1.626A 340.051 92.184% 417 <6.0 41.78°C 0.982
11.998V 5.012V 3.334V 4.921V 368.883 47.61°C 114.73V
50% 31.226A 4.993A 4.954A 1.832A 424.886 91.776% 419 <6.0 42.36°C 0.983
11.990V 5.007V 3.331V 4.912V 462.957 50.13°C 114.69V
60% 37.491A 5.998A 5.95A 2A 509.222 90.426% 636 8.4 42.96°C 0.987
11.992V 5.002V 3.328V 4.902V 563.134 52.72°C 114.67V
70% 43.862A 7.005A 6.95A 2.249A 594.77 89.824% 1100 27.2 43.32°C 0.989
11.984V 4.997V 3.324V 4.891V 662.15 53.2°C 114.63V
80% 50.243A 8.013A 7.949A 2.356A 679.578 89.135% 1384 34 43.6°C 0.99
11.975V 4.992V 3.321V 4.882V 762.415 53.93°C 114.6V
90% 57.032A 8.521A 8.432A 2.463A 765 88.398% 1832 42 44.64°C 0.991
11.967V 4.988V 3.321V 4.873V 865.402 54.7°C 114.56V
100% 63.565A 9.029A 8.95A 3.084A 849.825 87.532% 2151 46.3 45.06°C 0.992
11.958V 4.984V 3.318V 4.865V 970.874 54.88°C 114.53V
110% 69.979A 10.043A 10.048A 3.089A 934.411 86.639% 2269 47.5 46.05°C 0.993
11.949V 4.978V 3.314V 4.858V 1078.514 56.12°C 114.5V
CL1 0.117A 12.052A 11.915A 0A 101.305 85.668% 438 <6.0 42.01°C 0.972
12.026V 4.995V 3.332V 4.928V 118.254 59.68°C 114.79V
CL2 0.117A 20.031A 0A 0A 101.348 84.329% 435 <6.0 42.92°C 0.972
12.027V 4.99V 3.32V 4.932V 120.181 58.63°C 114.8V
CL3 0.115A 0A 19.735A 0A 67.389 80.593% 433 <6.0 42.32°C 0.965
12.027V 5.006V 3.344V 4.933V 83.615 56.56°C 114.81V
CL4 71.030A 0A 0A 0.001A 849.584 88.328% 1617 38.8 45.5°C 0.992
11.961V 5.009V 3.321V 4.883V 961.85 52.94°C 114.54V

Load regulation is within 1% on all primary rails.

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
20W 1.234A 0.497A 0.494A 0.2A 19.99 73.143% 405 <6.0 36.67°C 0.878
12.029V 5.03V 3.342V 4.951V 27.331 37.57°C 114.84V
40W 2.718A 0.696A 0.691A 0.303A 40.001 82.943% 408 <6.0 37.07°C 0.931
12.025V 5.028V 3.342V 4.949V 48.228 38.22°C 114.83V
60W 4.203A 0.895A 0.889A 0.404A 60.002 86.23% 410 <6.0 38.05°C 0.952
12.023V 5.027V 3.341V 4.947V 69.583 39.59°C 114.82V
80W 5.683A 1.094A 1.087A 0.506A 79.948 88.764% 412 <6.0 39.46°C 0.966
12.022V 5.026V 3.341V 4.946V 90.066 41.15°C 114.8V

A glance at the light loads table is always useful, as the PSU will typically operate at light loads.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 19.4 mV 15.9 mV 16.8 mV 11.9 mV Pass
20% Load 21.3 mV 15.6 mV 15.7 mV 12.0 mV Pass
30% Load 22.8 mV 15.7 mV 17.1 mV 12.4 mV Pass
40% Load 23.9 mV 15.9 mV 17.5 mV 13.2 mV Pass
50% Load 26.9 mV 17.1 mV 19.3 mV 13.7 mV Pass
60% Load 26.3 mV 17.9 mV 19.0 mV 14.7 mV Pass
70% Load 26.2 mV 17.7 mV 19.4 mV 14.8 mV Pass
80% Load 26.5 mV 18.4 mV 20.6 mV 18.3 mV Pass
90% Load 28.3 mV 17.7 mV 22.0 mV 21.0 mV Pass
100% Load 39.4 mV 18.6 mV 21.9 mV 25.9 mV Pass
110% Load 40.6 mV 18.6 mV 25.0 mV 29.1 mV Pass
Crossload 1 26.2 mV 15.7 mV 17.6 mV 13.9 mV Pass
Crossload 2 20.8 mV 19.0 mV 16.3 mV 13.8 mV Pass
Crossload 3 18.6 mV 15.2 mV 17.4 mV 12.9 mV Pass
Crossload 4 40.7 mV 18.5 mV 21.6 mV 19.0 mV Pass

Ripple suppression could be a little better at 12V. It is satisfactory on the minor rails.

Pages ( 4 of 11 ): « Previous123 4 567891011Next »

Related Posts

Leave a Reply

Your email address will not be published. Required fields are marked *

Please consider turning off your adblocker to support our work! We work night and day to offer quality content, and ads help us continue our work! Thank you! The Hardware Busters Team