When testing in a power supply laboratory it is difficult to take fan noise readings as the noise from the Sunmoon test equipment and air conditioning corrupts everything. The next best thing in our circumstances was reading off the fan speed with a tachometer to get an idea for the noise. The ambient temperature during testing held constant at 22 degrees, with 1 degree of variation. Each power supply had a consistent time period of 5 minutes to stabilise between each load scenario.
In my experience the following general relationships apply between noise levels and fan speeds, though it can vary greatly between the type of fan used.
The unit ran amazingly quite until we passed 60% loads. The bonus is that you’ll spend most of your working day at lower loads, but things do get noisy at higher loads, which you’re likely to hit while gaming. That being said, 1480RPM isn’t unbearable, but you’ll notice the fan noise if you have a cheaper or thin chassis.
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