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Quietest 120mm with decent CMF atm?

post #1 of 13
Thread Starter 
What is the quietest 120mm with decent CMF at the moment?

I guess there should be different CMF categories, but if you guys post dB with CMF (and hopefully the RPM at which you get these numbers) I'll compile a quick list on the first post.

DISCLAIMER:
dB measurements can only be compared if taken in a controlled and identical setting. Comparisons are the only way to really know which fan is loudest. (I am sure there are some out there on the interwebz)

(28.5 dB / 062.0 CMF / 1800 rpm) Yate Loon D12SM-12C
(28.0 dB / 047.0 CMF / 1350 rpm) Yate Loon D12SL-12
(21.0 dB / 045.9 CMF / 1450 rpm) Scythe Gentle Typhoon AP-14
(19.0 dB / 044.0 CMF / 1200 rpm) Coolermaster R4
(19.6 dB / 035.5 CMF / 1000 rpm) Thermalright X-Silent 120
Edited by USlatin - 12/22/10 at 5:16pm
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Staaayshon
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post #2 of 13
In my experience, the best compromise between Airflow & Noise is the Scythe Gentle Typhoon AP-14.

RPM: 1450
CFM: 45.9
DB: 21

Now Gentle Typhoons are made by Nidec Servo Corp and are used in server and industrial applications (Scythe resells them to the public though ) and thus since the specifications of the fans can be accurately tested, you know the specs are accurate. As opposed to misrepresentation which is often the case. Such as the Coolermaster R4. 2000 rpm at 19 decibels? Pure poppycock.

I just got a Thermalright X-Silent 120 as well and it's inaudible for my applications. Subjectively (hand-test) it doesn't push as much air as the AP-14 but it still pushes a decent amount given it's speed.

RPM: 1000
CFM: 35.5
DB: 19.6

Hope I've been of assistance!
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post #3 of 13
I agree with the statement that the gentle typhoon ap14 are the best compromise of flow and noise. I have the 1850 rpm models (ap15) on fan controllers and find myself spinning them at about 1400 rpm most of the time. That is the threshold of what I would consider virtual silence. They become audible, but not loud by any means, above that speed.
    
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post #4 of 13
If you're on a budget though I've heard good things about the low speed Yate Loon fans. Though I haven't used them myself.
http://www.petrastechshop.com/12yalod1cafa.html
RPM: 1350
CFM: 47
DB: 28

Or alternatively the Coolermaster R4 series (The slower, non-led variant. Not the aforementioned 2000rpm version) moves a decent amount of air at a low noise level. Though I prefer to stay away from Sleeve bearing fans myself. But for 19 bucks for 4 fans with shipping isn't a bad deal.
http://www.newegg.com/Product/Produc...82E16835103052

RPM: 1200
CFM: 44
DB: 19
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post #5 of 13
i like the yate loon, cheap, quiet and they push air pretty good. Gentle Typhoon too much money
http://www.frozencpu.com/cat/l3/g/c1...ml?id=rjRCtuxx
Edited by valtopps - 12/22/10 at 2:32pm
post #6 of 13
Thread Starter 
I have a bunch of Yates, they are quiet as heck. But they don't put out much air, subjectively anyway... I'd say decent CMF, but not enough for all applications.
Edited by USlatin - 12/22/10 at 2:33pm
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post #7 of 13
your crazy

Model #: D12SM-12C
Dimensions: 120 x 120 x 20 mm
Air Flow Max.: 62.0 CFM
Noise Level Max.: 28.5 dBA
Fan Speed: 1800 RPM ± 10%
post #8 of 13
Thread Starter 
Quote:
Originally Posted by valtopps View Post
your crazy

Model #: D12SM-12C
Dimensions: 120 x 120 x 20 mm
Air Flow Max.: 62.0 CFM
Noise Level Max.: 28.5 dBA
Fan Speed: 1800 RPM ± 10%
I don't know, maybe i got a lower CMF model... let me check.

EDIT:
Yea, I got D12SL-12's so I suppose rated at 47.0 CMF.
So my subjective level of "not a lot of air" must be about 50 CMF.
Edited by USlatin - 12/22/10 at 2:49pm
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post #9 of 13
whas a madder you no beleve buckwheat? heheheee
you should do a poll, ill vote for Yate Loon D12SM-12C
Edited by valtopps - 12/22/10 at 2:47pm
post #10 of 13
I just bought 3 of these, i admit that they are my first "non stock" fans. They are pretty quiet and put out lots of air. They aren't "rushing air only" quiet though.

23.5 DBA @ 60 CFM
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