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Seasonic Platinum Series 1000W Power Supply Review

Seasonic Platinum Series 1000W Power Supply Review

Seasonic Platinum Series 1000W Power Supply Review

Testing Results – Synthetic

Seasonic Platinum Series 1000W Power Supply Testing Results
40°C 250W 500W 750W 1000W
3.3V 3.35V 3.35V 3.33V 3.33V
5V 5.05V 5.02V 5.01V 5.01V
12V 12.11V 12.14V 12.13V 12.10V
Efficiency 90.2% 94.1% 92.8% 91.3%
Noise Level
(PSU Only)
0/15.0dBA 15.0dBA 21dBA 26dBA
Ambient Temp 20°C 20°C 20°C 20°C
Exhaust Temp 22°C 24°C 28°C 33°C

Oscilloscope AC Ripple (mV p-p) +3.3 +5 +12
1000W 9 10 27

In our first set of results, shown above, we look at the performance of the PSU when using our various testing tools to run it in a controlled environment at 40°C. Looking first to the 12v, 3.3v and 5v performance we see a unit which supplies great readings across the board. AC ripple is class leading on each of the readings and Seasonic are well within requirements at 9/10(out of 50) on 3.3/5v and 27(out of 120) on 12v which is one of the best results we have ever seen.

Looking at the efficiency of the PSU it comes as no surprise with a platinum certification that this unit archives over 90% across the board. Up to a little over 200w it is of course silent which is a nice benefit and even with no fan running the temperatures are still great.

About Author

Stuart Davidson

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