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Seasonic Snow Silent 1050W PSU Review (XP3)


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We like the appearance of the Seasonic Snow Silent 1050W unit. Not often we get to see a white power supply, so they always attract the eye. The ‘Snow Silent' letters are actually black and silver.

There is a little silver accent (line) running across, and upwards on the side panels. These are stuck onto the side panels. We received one of the early review samples, and the silver sticker had torn a little. We do handle them fairly roughly during testing, but we hope these are stuck a little better to the side panels on retail samples.

Paint quality is high, and it passed our screwdriver test. This involves running the head of a Philips head driver down the side of the chassis with light to medium force. After all, how many times have you accidentally connected with a power supply during a system build? Even if the power supply did scratch however, it is silver underneath so its actually almost invisible against the white paint – unless you study closely.

The Snow Silent measures 190 mm x 150 mm x 86 mm (LxWxH).
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A large white (cream almost) fan is visible behind the grill. We will take a closer look at the fan when we open up the housing for a peak inside.
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The modular panel is laid out in an easy to understand manner, with the main motherboard power connector top left. There is a fan control switch which alternates between normal and ‘hybrid' modes. The CPU and PCI-e connectors stretch across the bottom row, underneath the peripheral headers.
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The other end of the power supply is vented, with a power connector and switch at the side.
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Above, we can see the specifications of the power supply. Seasonic class this as an XP3 model – the same number as the Seasonic Platinum 1050WXP3 that we reviewed back in August this year.

Seasonic Snow Silent 1050W (XP3)
DC Output
+3.3V
+5V
+12V
-12V
+5Vsb
Max Output
25A
25A
87A
0.5A
3A
Total Power 125W 1044W 6W 15W
1050W

This power supply can deliver 87A on the +12V rail. Plenty of power for even the most demanding Crossfire and SLi configurations. It is worth noting that this is increased from 83A on the older Platinum 1000W model we reviewed back in May 2012.

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