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Seasonic Prime Ultra Titanium 1000W Power Supply Review

The Seasonic Prime Ultra Titanium 1000W power supply is finished in simple black paint, with silver accenting. This colour neutral scheme will appeal to anyone building a coloured system. Finishing is very high, as we would expect from Seasonic.

The top down view is pretty. The PRIME branding is shown in the middle, along with silver accenting on the grill. The inner part of the grill is black.

One side of the power supply is home to the fully packed modular bay which is cleanly split into sections and labelled for ease of install.

The other side of the power supply is home to the power connector, switch and Hybrid mode switch. The rest is honeycomb vented to help ensure there is plenty of air flow.

This Hybrid mode allows the fan to be disabled completely when the unit drops to a specific temperature threshold. Seasonic claim the Hybrid Fanless mode works up to:

  • Approximately 50 % (±5 %) of system load at 25 °C.
  • Approximately 30 % (±5 %) of system load at 40 °C.

Below we can see the specifications of the power supply. The Model number is SSR-1000TR.

Seasonic PRIME ULTRA Titanium 1000W Power Supply (SSR 1000TR)
DC Output
+3.3V
+5V
+12V
-12V
+5Vsb
Max Output
25A
25A
83A
0.3A
3A
Total Power 125W 996W 3.6W 15W
1000 Watts

This 1000W  power supply can deliver 83A on the +12V rail. Plenty of power on hand for a powerful SLI and Crossfire configuration.

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4 comments

  1. awesome, im in for the 850w model, will you be reviewing it too?

  2. I have 2 of the 850w models in my Eth mining rig, powering 6 rx580s.

    I can confirm that they are excellent.

    I did want to get the 1kw model but it was not available at the time.

  3. are they loud at all under load?

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