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 Post subject: Noisy CPU fan in Dell PowerEdge SC1420
PostPosted: Fri Aug 31, 2012 8:43 pm 
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Joined: Sat Jun 10, 2006 11:49 pm
Posts: 112
Okay, here's a fun one.

I'm trying to re-use an old Dell PowerEdge SC1420. It has a single 3GHz NetBurst Xeon. The CPU heatsink is cooled using a Nidec Beta V TA350DC M35291 92x92x38 mm fan. Here are the fan specs:

Air Flow: 150 CFM
Nominal Voltage: 12 V
Voltage Range: 10.8-12.6 V
Current: 2300 mA
Power: 27.6 W
Sound Level: 57.0 dBA
Fan Speed: 6,000 RPM
Bearing: Ball

Even at idle, this fan is pretty loud. Any tips to bring down the sound level? Should I try:

A) Replacing the fan with another PWM fan? (If so, any recommendations?)
B) Replacing the fan with a non-PWM fan? (I'm not sure the Dell mobo will like this)
C) Try using a Zalman PWM Mate controller?

The system's not going to be seeing any hardcore action so I think I can get away with something slower than 6000 RPM... :)

Thanks in advance!


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