Fan Noise Decibel

Fan noise is oftentimes overlooked when choosing a fan.

Box fan bearing. With a fan however it is important to find the right balance of air flow and sound level. The measurable noise of a fan is 20 db a. Intermittently the fans noise goes high without reason all fans stay around 50 speed checked in ilo5 and the problem cannot be solved until cold restart or disconnection of power and starting again.

In general it can be said that up to about 50 db a sounds are still perceived as quiet. Acoustics room acoustics and acoustic properties decibel a b and c noise rating nr curves sound transmission sound pressure sound intensity and sound attenuation. There are many individual parts which contribute to the total sound level of your pc.

If youre walking down the road in a little city this is around the decibel level of the noise youd hear. There is notihing in the logs and the cpu and ram usage are quit. Other factors such as walls floors ceilings and other equipment will have an effect on noise reflection and absorption to varying degrees as well.

The decibel spec is usually indicated either as a range of the noise level or as the maximum noise level. A normal restart wont fix it. Also the total decibel level of a pc is more than that of a single part.

Fan noise will vary by fan type flow rate pressure and fan efficiency. Blade dampers noise generated sound power.