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What generally creates the most noise in a PC? - Page 2

post #11 of 91
For me, it's my radiator fans. I have a pair of scythe ultra kaze's. Those things are really loud...
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post #12 of 91
Anything with fans and mechanical hard drives. Also inductors/chokes make high pitched noise on load.
post #13 of 91
I would say GPU coolers most of the time.
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post #14 of 91
My experience listed from worst/most common offenders to least

1. GPU cooler - they can be very quiet if not virtually silent when idle, but they can easily become relative vacuum cleaners when under load

2. PSU fan - things are getting much better with newer units that are ever more efficient and thus less need for active cooling, the problem is that the best units for low/no noise are still pretty expensive relative to the budget oriented ones and thus makes PSUs a pretty strong candidate as a noise offender in a modern system

3. case fans - these can easily be the loudest whether individually and/or because they're in large number, fortunately they're one of the easiest components to swap out for something quieter and/or use voltage regulation to force them to spin slower

4. northbridge fan - fortunately these seem to be a thing of the past, but they were one of the most annoying offenders in my experience

5. CPU fan - generally very quiet except if overclocking, but again just as with case fans we can easily control noise here

6. hard drive - if you run more than one 7200+ RPM drive the noise can really
add up and potentially bump this way up the list, but with the advent of "green" drives and of course SSD, the hard drive is no longer a problem for the modern quiet/silent PC

7. electrical noise - that squeal you can sometimes hear, particularly with fast components
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post #15 of 91
in my Silverstone, it's the GPU fan. In my LAN pc, it's the top fans.
 
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post #16 of 91
ceiling fan is pretty bad
post #17 of 91
On, idle, top fans.

Load? GTX 580.
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post #18 of 91
My SSD is pretty loud *perfect time for white text, but it's been disallowed so this post isn't funny*






Okay, case fans in my rig at the moment
post #19 of 91
It used to be power supplies till they all got their act together, 80+ efficiency etc. Now you have power supplies that are passive until heavy load (corsair AX series, Seasonic X series, The amazing new Kingwin 550 whose fan basically never spins on and maintains 94% efficiency across the spectrum).
Graphics cards are the loudest now though they require the most cooling power - check out massive new third party heatsinks, 3..4..5 slot solutions now exist.
In my semi-passive case (just about passive on idle) my HDD is the loudest - building a file server so I can just get rid of it altogether.
Edited by systemlayers - 5/26/11 at 3:23pm
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post #20 of 91
I set up my water cooling with 20db fans. So the loudest thing in my case is the hard drives.
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