Average Noise
The average noise output is almost 33 dBA at 115V and a little lower at 230V, which is pretty high for a Gold 650W unit.
Fan Noise & Speed Maps @ 28-32 °C
[115V] The fan starts at high speeds, which will be a problem for users concerned about noise output. The 30 dBA mark is passed at 450W, while 35 dBA is reached with 480W at 12V. With more than 540W at 12V, noise output is within the 40-45 dBA range.
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