Average Noise
The average noise output is high. We should consider the platform’s not-so-high efficiency, which increases the thermal loads; hence, the cooling fan has to work more to remove the heat.
Fan Noise & Speed Maps @ 28-32 °C
[115V] There is no semi-passive operation, and the fan starts at high speeds, above 1000 RPM, so noise output is within 20-25 dBA from the start. At around 350W at 12V, the 30 dBA mark is passed, and with more than 450W, noise exceeds 35 dBA. With more than 510W at 12V, you will be treated with more than 40 dBA of noise, which is loud.
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