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Corsair AX860i Digital Power Supply Review

Corsair AX860i Digital Power Supply Review

Corsair AX860i Power Supply Review

Testing Results

Power Supply Testing Results
40°C 165W 330W 495W 860W
3.3V 3.310V 3.305V 3.300V 3.299V
5V 5.01V 5.01V 5.020V 5.005V
12V 12.050V 12.040V 12.020V 12.020V
Efficiency 90.5% 94.0% 92.1% 91.3%
Noise Level
(PSU Only)
0dBA 21dBA 26dBA 32dBA
Ambient Temp 25°C 25°C 25°C 25°C
Exhaust Temp 33.5°C 38.1°C 41.2°C 45.9°C

Oscilloscope AC Ripple (mV p-p) +3.3 +5 +12
860W 4 8 11

In our first set of results, shown above, we look at the performance of the AX860i when using our various testing tools to run the PSU in a controlled environment at 40c. Looking first to the 12v, 3.3v and 5v performance we see a unit which supplies class leading readings across the board. More impressive however AC ripple is absolutely phenomenal on each of the readings, far lower than alternative designs at approximately 4/8(out of 50) on 3.3/5v and 11(out of 120) on 12v.

Temperatures are also impressive during testing and we note that this, like a few other Corsair units, remains fanless/silent when under low load. Only requiring the fan as our system begins performing demanding tasks.

About Author

Stuart Davidson

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