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why are my fans so noisy?

post #1 of 31
Thread Starter 
heyyyy

after i installed my Slipstreams and removed the crappy Cooler Master RED LED fans from my rad (rad is at the top of my case horizontally) and put them on the case door, they have started to make a incredebly annoying high pitched noise! its UNBEARABLE!
they never did this before and its already given me a headache.
i lowered the fan speed to 40% with ASUS AI Suite but it still makes that annoying noise.
WHY is it doing that? i want a QUIET rig not an obnoxiously loud one!
plz help before i throw these fans in i fire.

EDIT: the sliptreams are NOT the problem! they stay quiet with my fan controller
the vertically mounted COOLER MASTER R4 fans are the issue! it didnt happen before, and this started right after i mounted them vertically.

i have 2 of these
Edited by Enfluenza - 4/24/11 at 9:24pm
    
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post #2 of 31
slipstream fans are not quiet at all. You should check the fans to see if they are actually slowing down. also check to see which fan is making the noise and see if you can get it replaced.
post #3 of 31
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post #4 of 31
Quote:
Originally Posted by thrasherht View Post
slipstream fans are not quiet at all. You should check the fans to see if they are actually slowing down. also check to see which fan is making the noise and see if you can get it replaced.
lies
my deltas are not quiet at all
slipstream are silent

Quote:
Originally Posted by spaceballsrules View Post
this is worth trying
I done things like that to old OLD fans
it helps
can also elongate there life of the fan and speed the blades up
Edited by 3dfxvoodoo - 4/24/11 at 8:30pm
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post #5 of 31
My guess is because of the poor static pressure, it's blowing air back because it's not being pushed through your rad well enough
post #6 of 31
EDIT: read original post wrong. Was thinking OP said old fans were making the noise. Disregard
Edited by champyg - 4/24/11 at 8:54pm
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post #7 of 31
If you bought the 1900 rpm SS's, they'll be nothing but noisy. The 1600 rpm SS is not bad: good airflow and not so much noise.

But you can look at SS fans and how they compare with others on a heatsink. Check out item 1 in my sig.
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post #8 of 31
Quote:
Originally Posted by Yumyums View Post
My guess is because of the poor static pressure, it's blowing air back because it's not being pushed through your rad well enough
This /\\
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post #9 of 31
Quote:
Originally Posted by ehume View Post
If you bought the 1900 rpm SS's, they'll be nothing but noisy. The 1600 rpm SS is not bad: good airflow and not so much noise.

But you can look at SS fans and how they compare with others on a heatsink. Check out item 1 in my sig.

I disagree, I have the 1900 rpm and when they're at 50% they are very quiet while pushing a very respectable amount of air.
    
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post #10 of 31
Quote:
Originally Posted by listen to remix View Post
I disagree, I have the 1900 rpm and when they're at 50% they are very quiet while pushing a very respectable amount of air.
Well, at 50% it's not a 1900 rpm fan anymore. Now it's down in the range where Slip Stream excel. I would expect your results with that fan once you get under 1500 rpm.
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