Extremely Inaudible 140mm fan ?

momo56

momo56

momo56

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18 Jul 2009
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So atm I have a coolermaster real power pro 1000W PSU which has a 140mm fan with max speed 1500rpm. However the fan seems cheap and unbalanced and is currently the loudest thing in my system.

Can someone recommend me a good SILENT 140mm fan ?
 
Most fans if you take them out, hold a corner in your hand and apply 12v are fairly quiet. When bolted to metal sheeting any vibration gets amplified (higher the rpm the worse generally) and when stuck next to fan guards you hear the air being sucked or blown through the holes.

Get a 140mm with weak airflow and low rpm if you want it to be silent. I'm not saying any of that is a bad thing I'm just saying that's what you need if you want it really quiet.

The Fractal ones are just the thing, 600rpm and 39cfm.


Downside is of course that your PSU will run hotter.
 
I my case fitted with three Cooltek Case Fans 140mm blue LEDs, my machine runs extremely silent with loudest sound coming from the Caviar Black. Cooltek are German and carry the Trademark German Engineering extremely good quality at only 800 rpm producing 73cfm at 11db.

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Gigabyte GA-MA790FX-UD5P, 955 BE(C2)@3.7GHz 1.425V,Geil Value 4GB DDR3-1600,
ATI 5850 1GB, CM90 II Advanced, 1TB Western Digital Caviar Black, 4 HDDs, Jeantech Storm 700w,
Asus Xonar Essence STX, Pinnacle PCTV 3010iX Dual Analogue + DVB-T.
 
I dont know my movement of air equations and stuff but is "73 m3/h" the same as "73cfm"?

The cooltek fans are indeed 800rpm and 11db, but unsure about the air flow?

Source: Cooltek
 
my yate loons are very quiet, loudest thing in the PC at the time would be my 500GB Caviar black or my DVD drive when it was working
 
Hotwired said:
Most fans if you take them out, hold a corner in your hand and apply 12v are fairly quiet. When bolted to metal sheeting any vibration gets amplified (higher the rpm the worse generally) and when stuck next to fan guards you hear the air being sucked or blown through the holes.

Get a 140mm with weak airflow and low rpm if you want it to be silent. I'm not saying any of that is a bad thing I'm just saying that's what you need if you want it really quiet.

The Fractal ones are just the thing, 600rpm and 39cfm.


Downside is of course that your PSU will run hotter.
Click to expand...

I took the fan out and it still makes a wierd noise at its lowest setting. Im trying to find a quieter 1500rpm fan. Scared of ruining the PSU with a lower cooling fan.
 
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