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Quietest 120mm fan at or above 2400 RPM.

post #1 of 17
Thread Starter 
Any suggestions? Summer is right around the corner and I'm looking to replace some noisy fans. I don't want to sacrifice airflow for noise, but I know there are quieter ones out there (mine are 50 dBA). So far my search has the Silverstone FM123 in the lead. 39.5 dBA @ 2600 RPM.
post #2 of 17
I have some nmb 4710nl-04w-b59's. They're rated for 2550 RPM 92 CFM ~41dBA.
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post #3 of 17
Remember these things as u research fans.

Noise, in the end, is up to you to decide. Testing done on how loud a fan is isn't universal...so, do not rely on them to be accurate. You also have to realize that static pressure is important too, not just cfm
    
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post #4 of 17
Thread Starter 
Quote:
Originally Posted by compudaze View Post
I have some nmb 4710nl-04w-b59's. They're rated for 2550 RPM 92 CFM ~41dBA.
Yeah NMB has some great fans.
post #5 of 17
Thread Starter 
Quote:
Originally Posted by Kick View Post
Remember these things as u research fans.

Noise, in the end, is up to you to decide. Testing done on how loud a fan is isn't universal...so, do not rely on them to be accurate. You also have to realize that static pressure is important too, not just cfm
Yeah I'm not just trusting manufacturer's word. I also look at several reviews of the fans for cross reference.
post #6 of 17
The new gentle typhoons?
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post #7 of 17
Thread Starter 
Quote:
Originally Posted by Citra View Post
The new gentle typhoons?
Not powerful enough :/.
post #8 of 17
Quote:
Originally Posted by CLeeFESQ View Post
Not powerful enough :/.
Even the ones that go up to 5400RPM?

Remember RPM is not a good representative of airflow or static pressure. And dBA ratings from manufactures are done at different distances and in different environments so you can't compare fans by different manufacturers from the ratings alone.

Here is a good review:
http://www.overclock.net/air-cooling...ans-112-a.html
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post #9 of 17
I've had my Silverstone FM-121 at 2300rpm and it is fairly loud, I figure it stays true to the advertised 40db or so at that speed. It's a low pitched blowing sound (similar to a hair drier).

My Nidec Scythe GT AP-29 on a controller at 2500RPM or so is fairly quieter. But even at 3K RPM it's quieter than my FM-121, the sound is more of a slightly higher pitched whooshing sound.
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post #10 of 17
Thread Starter 
Quote:
Originally Posted by yoshi245 View Post
I've had my Silverstone FM-121 at 2300rpm and it is fairly loud, I figure it stays true to the advertised 40db or so at that speed. It's a low pitched blowing sound (similar to a hair drier).

My Nidec Scythe GT AP-29 on a controller at 2500RPM or so is fairly quieter. But even at 3K RPM it's quieter than my FM-121, the sound is more of a slightly higher pitched whooshing sound.
I'll check that out, thanks.

Quote:
Originally Posted by Seeing Red View Post
Even the ones that go up to 5400RPM?
I did not know they went up that high. their website says around 1850.
Edited by CLeeFESQ - 4/8/11 at 4:16pm
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