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Seasonic Platinum 1000W Modular Power Supply Review

We love the appearance of this unit, it is black and silver (almost gunmetal). The name of the product is on the side panels. It measures 190mm x 150 mm x 86 mm (LxWxH).

The supply is vented on the front, alongside a power button and connector.

The dual black/silver tone top looks great. Seasonic have opted to put their logo along the bottom, rather than in the center of the fan. Another nice touch.

The modular connectors are all clearly labeled to ensure that the installation phase is not problematic. There is a blue sticker highlighting the Hybrid and Normal modes. This has to be removed before using. This review was handled in ‘normal’ mode as we want the fan active during our intensive stress testing.

Hybrid is classed as S3FC fanless silent mode and Normal is classed as S2FC silent cooling mode. S3FC is designed to turn off the fan at lower power levels and the S2FC mode keeps the fan running all the time. Normal is the best choice for the majority of environments.

Seasonic Platinum 1000W Power Supply
DC Output
+3.3V
+5V
+12V
-12V
+5Vsb
Max Output
25A
25A
83A
0.5A
3A
Total Power 125W 996W 6W 15W
1000W

The power supply can deliver 996W to the single +12V rail, or 83A. Extremely impressive figures.

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