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Old 11-21-2009, 11:44 AM   #1
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thomas49th's Avatar
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Default Quiet pc fan - psu mod

Hi, I wondering if anyone can recommend a very quiet 80mm fan. I want to mod a cheap 200W mATX PSU 80mm fan, which has 2 pins (presumably 12v and 0v) soldered straight to the PCB board. Being 2 pins, this means that the fan has no control, and thus one setting, so the fan will presumbly run at full speed. This needs to be quiet - or I suppose what I could do is get a 3 pin fan and create a potential divider with the 12v in and tap off a nominal voltage into the other fan pin to set the speed - though I'm not sure that would work!

Also, can anyone recommend a SMALL skt 775 cooler, which is very quiet- again

I don't want to go over baord buying super fancing frictionless air bearing systems, but wondered if anybody knows of some reliable quiet fans. It is for a media PC and all I want to be able to here at most are the hard disks! Also what dB should I look for. Is 26dB quiet - a normal conversation is apperantly 40dB, ofcourse the scale is logarithm and measured at set distances from the sorce.


1: Q6700 @ stock 3GHz 775 6GB-DDR800 ASROCK penryn 1600SLI, 1GB ATI RAEDON 5770 ~ 3TB internal;
2: 3.2Ghz Phenom 9550 Black ed 4GB-DDR3, ASUS skt AM3, HD 4850 512MB
3: Core i7 3.2GHz, 6GB DDR3, 512MB EN8800GT, 1TB Internal
4: Athlon 4000+ skt 939 6600GT 3GB
5: P4 3.4GHz, 3GB-DDR, ASUS skt 775, ATI RAEDON 9550
+ all my other lovely comp parts :)
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Old 01-04-2010, 03:54 PM   #2
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Default Re: Quiet pc fan - psu mod

I was looking online... 26dB should be pretty quiet. That's all I know..

Hey, how many computers you built, there?! lol 20!?!? seriously?!
:) Need a builder!
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