MSI MPG A1000G Power Supply Review

The MPG A1000G is MSI's flagship PSU, with enough power to handle any of the current generation GPUs.

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MSI MPG A1000G
(Image: © Tom's Hardware)

Performance Rating

(Image credit: Tom's Hardware)

The overall performance is not that far from other offerings, but it is not competitive. 

Noise Rating

The graph below depicts the cooling fan's average noise over the PSU's operating range, with an ambient temperature between 30 to 32 degrees Celsius (86 to 89.6 degrees Fahrenheit).

(Image credit: Tom's Hardware)

Given its capacity, it is not super-noisy, but there is room for improvement in this section. The king, by far, in noise output is the Asus Rog Thor model, thanks to its beefy heatsinks. 

Efficiency Rating

The following graph shows the PSU's average efficiency throughout its operating range with an ambient temperature close to 30 degrees Celsius.

(Image credit: Tom's Hardware)

The average efficiency is high enough for a Gold-rated unit. 

Power Factor Rating

The following graphs show the PSU's average power factor reading throughout its operating range with an ambient temperature close to 30 degrees Celsius and 115V/230V voltage input. 

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(Image credit: Tom's Hardware)
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The APFC converter does a good job, especially with 230V input. 

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Aris Mpitziopoulos
Aris Mpitziopoulos

Aris Mpitziopoulos is a Contributing Editor at Tom's Hardware US, covering PSUs.
1 Comment Comment from the forums
  • vinay2070
    Would AIBs be using the 12 pin GPU connectors for Ada? Or is it just nvidia reference cards? I read that Radeon cards will stick to the existing 8 pin connectors.
    Reply