MSI MPG A1000GS PCIE5 ATX v3.1 PSU Review

Protection Features

OCP (Normal @ 27.7°C) 12V: 105.80A (127.01%), 12.029V
5V: 27.8A (126.36%), 5.003V
3.3V: 27.2A (123.64%), 3.281V
5VSB: 5A (166.67%), 5.035V
OCP (Hot @ 42.6°C) 12V: 101.60A (121.97%), 12.017V
5V: 27.6A (125.45%), 4.997V
3.3V: 27.2A (123.64%), 3.28V
5VSB: 5.1A (170.00%), 5.029V
OPP (Normal @ 28.6°C) 1267.07W (126.71%)
OPP (Hot @ 42.5°C) 1135.02W (113.50%)
OTP ✓ (97°C @ Heat Sink)
SCP 12V to Earth: ✓
5V to Earth: ✓
3.3V to Earth: ✓
5VSB to Earth: ✓
-12V to Earth: ✓
PWR_OK Proper Operation
NLO
Fan Failure Protection
SIP Surge: MOV
Inrush: NTC & Bypass Relay

The 12V rail’s OCP triggering points are below 130%, and there is a notable difference between normal and stressful conditions. On the other hand, the OCP triggering points on the minor rails are similar under normal and high temperatures. This is unacceptable, and to make matters worse, the 5VSB rail’s OCP is higher at high temperatures!

The over power protection is correctly set, with a significant difference between normal and high temperatures. Given the product’s increased price tag, it is a shame not to have fan failure protection.

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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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