Average Noise
300W more can make quite a difference, as seen in the charts above. The NGDP 1300 is way noisier than its 1000W sibling. Noise output is high at 115V and 230V input despite the platform’s high efficiency.
Fan Noise & Speed Maps @ 28-32 °C
[115V] When you see many colors mixing in small regions, this is not ideal, and unfortunately, this is the case here. Up to 600W, the fan noise spikes are in the 25-30 dBA range, and there is a small region where noise exceeds 45 dBA! Because of the platform’s compact dimensions and the high power density, the semi-passive operation doesn’t last long, engaging the fan often to remove heat, ensuring the PSU’s reliability. In my expert opinion, it will be better if you deactivate the fan’s semi-passive operation through the red button located at the unit’s face. With more than 800W load, the fan’s noise exceeds 35 dBA, and at around 970W, it goes over 40 dBA.
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