MSI MPG A1000GS 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% 6.488A 1.982A 1.996A 0.995A 99.99 86.168% 0 <6.0 51.61°C 0.971
12.084V 5.044V 3.307V 5.026V 116.07 40.29°C 114.81V
20% 13.999A 2.976A 2.996A 1.195A 199.941 90.381% 0 <6.0 55.61°C 0.993
12.075V 5.041V 3.304V 5.021V 221.233 40.88°C 114.78V
30% 21.868A 3.473A 3.498A 1.396A 299.988 90.868% 0 <6.0 62.56°C 0.983
12.069V 5.038V 3.302V 5.015V 317.897 41.07°C 114.72V
40% 29.708A 3.972A 4A 1.597A 399.525 90.764% 406 12 41.99°C 0.987
12.061V 5.035V 3.3V 5.01V 374.938 56.57°C 114.68V
50% 37.223A 4.967A 5.004A 1.799A 499.235 90.373% 487 10.7 42.24°C 0.997
12.055V 5.033V 3.298V 5.004V 550.87 55.34°C 114.5V
60% 44.819A 5.964A 6.009A 2A 599.777 89.759% 721 16.2 42.71°C 0.997
12.048V 5.03V 3.295V 4.999V 668.223 52.78°C 114.69V
70% 52.356A 6.962A 7.016A 2.203A 699.511 89.07% 934 24.5 43.25°C 0.997
12.041V 5.028V 3.293V 4.993V 785.347 52.43°C 114.64V
80% 59.974A 7.961A 8.023A 2.307A 799.52 88.298% 1087 29.2 43.72°C 0.997
12.032V 5.024V 3.29V 4.986V 905.459 53.05°C 114.59V
90% 67.944A 8.463A 8.515A 2.41A 899.328 87.4% 1328 35.8 44.08°C 0.997
12.023V 5.021V 3.288V 4.98V 1029.07 53°C 114.55V
100% 75.732A 8.967A 9.039A 3.016A 999.341 86.331% 1731 43.6 45.44°C 0.997
12.012V 5.018V 3.286V 4.973V 1157.597 53.69°C 114.5V
110% 83.420A 9.972A 10.152A 3.02A 1099.922 85.484% 1749 43.8 46.03°C 0.997
12.007V 5.014V 3.28V 4.968V 1287.069 54.59°C 114.47V
CL1 0.116A 14.392A 14.505A 0A 121.297 82.036% 521 10.8 41.32°C 0.985
12.065V 5.017V 3.288V 5.015V 147.865 51.55°C 114.8V
CL2 0.115A 21.942A 0A 0A 111.296 80.754% 405 12 40.41°C 0.981
12.074V 5.009V 3.294V 5.018V 137.869 50.58°C 114.8V
CL3 0.114A 0A 22.102A 0A 73.98 74.036% 403 12.1 41.15°C 0.968
12.076V 5.022V 3.285V 5.018V 99.923 51.36°C 114.81V
CL4 83.134A 0A 0A 0.001A 999.919 87.157% 1494 39.1 45.27°C 0.997
12.027V 5.034V 3.296V 4.973V 1147.292 53.47°C 114.51V

Load regulation is tight on all rails.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 18.8 mV 15.5 mV 15.7 mV 10.0 mV Pass
20% Load 17.8 mV 15.0 mV 15.3 mV 9.8 mV Pass
30% Load 18.6 mV 16.0 mV 17.2 mV 10.8 mV Pass
40% Load 19.9 mV 17.3 mV 17.7 mV 10.6 mV Pass
50% Load 20.3 mV 18.4 mV 18.3 mV 11.3 mV Pass
60% Load 21.0 mV 18.2 mV 18.9 mV 12.4 mV Pass
70% Load 22.2 mV 19.7 mV 20.8 mV 14.7 mV Pass
80% Load 22.9 mV 20.2 mV 22.6 mV 16.3 mV Pass
90% Load 25.6 mV 21.7 mV 23.7 mV 17.0 mV Pass
100% Load 29.8 mV 22.2 mV 24.6 mV 21.7 mV Pass
110% Load 27.4 mV 22.5 mV 24.9 mV 25.4 mV Pass
Crossload 1 21.2 mV 18.1 mV 22.9 mV 13.3 mV Pass
Crossload 2 20.3 mV 22.4 mV 19.4 mV 12.7 mV Pass
Crossload 3 20.8 mV 19.8 mV 21.9 mV 13.2 mV Pass
Crossload 4 30.0 mV 20.6 mV 21.3 mV 18.3 mV Pass

Ripple suppression is good enough but not competitive, especially on the minor rails.

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11 thoughts on “MSI MPG A1000GS PCIE5 ATX v3.1 PSU Review

  1. Considering getting the A1250GS version of this as I have a MSI 5090 Vanguard coming in soon and currently only have a EVGA 1000 GT for my 13900K/5090 build. Do you think the 1250 version should be similar to this one? I was looking to get an ATX 3.1 PSU and mainly wanted to go with MSI on the off chance anything happens with the card, they then can’t blame the PSU.

  2. Hello, Aris ! I’ve been looking at multiple benchmarks and reviews on your page and on the cybernetic’s site and idk that psu to choose for a 5070 level of build, the super flower 850w leadex vii gx, the msi a850g, or the corsair rmx 850w atx 3.1, price wise the first 2 are basically the same price and the corsair one is 25$ more expensive

          1. Thanks for your suggestion ,but I’ll probably get the xg psu because it’ll allow for a longer gpu in my 20l case

  3. Hi, Aris! I scrolled down Enermax’s website, and came up with Enermax Revolution III. It is said to be ATX 3.1, and i’m pretty sure it’s a replacement for Revolution DF judging from its price

    Would you be consider to review this unit? Thanks

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