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post #31 of 63
I really like my Zalman ZM-F3 - Really quiet and comes with a resistor to make it silent. Nice amount of airflow too.
post #32 of 63
Thread Starter 
Quote:
Originally Posted by coffeejunky View Post
I really like my Zalman ZM-F3 - Really quiet and comes with a resistor to make it silent. Nice amount of airflow too.
Very nice!

Lots of fans out there I had no idea about
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post #33 of 63
I thoroughly tested several 120mm fans for best temps vs noise/cfm and really like the following 3 fans (to be used for different purposes in your rig):

1. Scythe Ultra Kaze 2000: Best used as a CPU Cooler fan…the 3000 is overkill in my opinion and the added rpms really don’t bring down temps much more than the 2000. This is a x38mm fan and even at 1750 is very quite in my case. Love this fan as it brought my cpu temps down significantly over the x25mm fan I had on there initially.

2. Scythe S-Flex F: Very good for intake or exhaust. Good cfm and pretty quiet even at full rpm. Or you can get the E series that is a little less cfm/dbs but might as well ge the F and undervolt so you have the headroom when needed.

3. Scythe Slipstream 1600 rpm version: Very good as an exhaust fan, almost as good for intake (fan blades don’t push as much air though if constricted behind a filter, the S-Flex does better.

All of the above fans have no discernable whining at any speeds (at least the ones I have don’t).

Please see the research I did about a week ago for specifics and let me know if you have any questions (I am happy to help out!):

http://www.overclock.net/air-cooling...-best-cpu.html

Cheers!

...and no, I do not work for Scythe, just like their fans for now until something better comes out!
Edited by Qbert - 5/22/08 at 9:33am
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post #34 of 63
Thread Starter 
Quote:
Originally Posted by Qbert View Post
...and no, I do not work for Scythe, just like their fans for now until something better comes out!
Very nice work indeed! + rep for you my friend!

Thanks so much for the info
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post #35 of 63
I am a big fan of Silverstone FM121s. They are "loud" to some people, but to me they are fine.
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post #36 of 63
Thread Starter 
Quote:
Originally Posted by nitteo View Post
I am a big fan of Silverstone FM121s. They are "loud" to some people, but to me they are fine.
Never bought one, but I have always heard good things from them
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post #37 of 63
Thermaltake Thunderblade
Zalman ZM-F3 (LED version also available)
Yate Loon D12SM (LED version also available)

Those are my favorites. They are all about the same noise level (~30dba). The Zalman pushes the most amount of air (~70cfm while the others are more like 50-60cfm) in an open setting (no restriction present), but once you put them behind a heatsink/radiator, they all push about ~50cfm. You will be really hard pressed to find relatively quiet fans like these that can still dish out +40cfm when mounted on heatsinks/radiators.
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post #38 of 63
Quote:
Originally Posted by se7en56 View Post
Very nice work indeed! + rep for you my friend!

Thanks so much for the info
Why thank you!

Also as to the following from DuckieHo...

Quote:
Originally Posted by DuckieHo View Post
Don't forget that frequency has huge impact on perception. A 30dB squeal is perceived to be louder than a 30dB whoosh. Also, ticking noises are perceived to be louder.
This is very true! There is nothing worse than having a somewhat quiet fan only to have to listen to motor droning or whining noise. Usually, the lower the freq, the better as it will be harder to notice over background noise. High pitched freq noise from a fan can get very annoying after a while...it get's into headphones more too (found this to be the case with the Cooljag and Silverstone FM-121 to a certain extent).

Lastly on high freq noise, you can sometimes move your head side to side and the squeal comes and goes due to the wavelength lining up with your ears. The next thing you know, it's like that skit from SNL 'What is love...' with Farrel and Katan trying to pick up chicks at a bar.

Quote:
Originally Posted by Melcar View Post
Thermaltake Thunderblade
Zalman ZM-F3 (LED version also available)
Yate Loon D12SM (LED version also available)

Those are my favorites. They are all about the same noise level (~30dba). The Zalman pushes the most amount of air (~70cfm while the others are more like 50-60cfm) in an open setting (no restriction present), but once you put them behind a heatsink/radiator, they all push about ~50cfm. You will be really hard pressed to find relatively quiet fans like these that can still dish out +40cfm when mounted on heatsinks/radiators.
...fyi, the Ultra Kaze 2000 can run silent at 1750 rpm and prolly still pushes around 65-70cfm on a heatsink due to it's high back pressure capabilities...I found this to be the best for lower temps vs dbs on my tests.
Edited by Qbert - 5/22/08 at 9:57am
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post #39 of 63
Thread Starter 
Awesome work! This thread got a lot of attention! That's great! Might do a fan study soon... we will see
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post #40 of 63
Quote:
Originally Posted by Qbert View Post

...fyi, the Ultra Kaze 2000 can run silent at 1750 rpm and prolly still pushes around 65-70cfm on a heatsink due to it's high back pressure capabilities...I found this to be the best for lower temps vs dbs on my tests.
38mm fans have better air pressure than 25mm ones, so that's no surprise. However, they tend to be a bit louder and much more expensive than conventional 25 mm fans. Not to mention they are heavier/bigger, so you may not want to put them on some heatsinks. It's all preference at the end, but I have found that the cheaper 25mm fans (the good ones) can perform just as well, and for the minimal performance difference in most situations, I would rather get the cheapest fans I can get.
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