MSI MPG A1000GS PCIE5 ATX v3.1 PSU Review

Transient Response

20% Load – 20ms

Advanced Transient Response 20% - 50 Hz - No Caps
Voltage Before After Change Pass/Fail
12V 12.079V 11.951V 1.05% Pass
5V 5.041V 4.951V 1.78% Pass
3.3V 3.302V 3.152V 4.53% Pass
5VSB 5.023V 4.981V 0.84% Pass

50% Load -20ms

Advanced Transient Response 50% - 50 Hz - No Caps
Voltage Before After Change Pass/Fail
12V 12.061V 11.943V 0.98% Pass
5V 5.034V 4.955V 1.58% Pass
3.3V 3.295V 3.142V 4.66% Pass
5VSB 5.007V 4.968V 0.77% Pass

The transient response is decent at 12V, good at 5V, and mediocre at 3.3V, where the voltage level drops low.

Transient Response ATX v3.1 Tests

The PSU passes all ATX v3.1 transient response tests, but the 12V and 3.3V rails drop low.

Compared to similar spec PSUs, the 12V rail’s performance isn’t that good.

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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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