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Push/pull fans create funcky buzz noise.

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Supreme [H]ardness
Joined
Nov 17, 2000
Messages
6,004
Don't hear it at low speed with some Arctic cooling PWM fans in Daisy chain. Soon as they throttle up full blast the noise is there. If I pull the PULL fan back a little from the heatsink it goes away. Any way around this?
 
I had this whine with 2 Slipstreams on my Xigmatek when going full speed.

You can either use a fan shroud to move the fan away a bit, or you can undervolt one of the fans to make the noise go away.

Or the third option I did was remove the original case fan, then attached a fan shroud to the case and then moved my pull slipstream to the fan shroud, this moved it close enough to the heatsink to keep a tunnel effect going. Temps didn't go up and whining noise gone!
 
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