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Noise dba 27 or dba 29 is better

Last response: in Components
a b ) Power supply
June 10, 2010 3:10:54 PM

Hello, Can you please let me know why the noise level DBA can range from 10DBA to 29DBA on a cooling Fan
Should they be constant at one DBA level.

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a b ) Power supply
June 10, 2010 3:23:11 PM

Fans can run at different speeds the slower the fan goes the less noise so when they rate the noise level they rate it at its slowest speed and fastest. If connected directly to the power supply directly it will run at full speed if connected to the motherboard or a fan controller the speed can be varied.