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Best Silent 120mm Case Fans? - Page 3

post #21 of 139
10/28/08 at 10:40am
Quote:
Originally Posted by beanbagofdoom View Post
What makes fans are the size, rpm and quality, forget what dB the manufactures state. If you want quiet/silence your looking at 1200rpm and below. I know the xilence fans run at 1400rpm, they are quiet, but not silent. 1000rpm is a good rpm for silence.

Go for:

Yate loons
Nexus

if your on a budget.
OK, so got question regarding that statement about rpm's:
what is more important:
1- cfm (somehow related to rpm)
2- static pressure?

if i take 20mm thick and 38mm fan both running at 1400rpm - which one is going to be more silent?
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post #22 of 139
10/28/08 at 10:45am
Quote:
Originally Posted by mechati View Post
OK, so got question regarding that statement about rpm's:
what is more important:
1- cfm (somehow related to rpm)
2- static pressure?

if i take 20mm thick and 38mm fan both running at 1400rpm - which one is going to be more silent?
The 20mm thick fan will almost always be louder than a 38mm fan when both are pushing the same amount of air. Most choose to go with the thicker fans if they have the space for this very reason.
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post #23 of 139
10/28/08 at 8:49pm
Another question - is there a difference if I mount the fan horizontally or vertically? Any impact on bearing, loudness, period of working properly, etc. I haven't seen any precautions from manufacturers side that the fan one or another should be mounted only for example vertically. If there is any info about that - I would be grateful for link or any other directions.
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post #24 of 139
10/30/08 at 4:36pm
Quote:
Originally Posted by mechati View Post
Another question - is there a difference if I mount the fan horizontally or vertically? Any impact on bearing, loudness, period of working properly, etc. I haven't seen any precautions from manufacturers side that the fan one or another should be mounted only for example vertically. If there is any info about that - I would be grateful for link or any other directions.
Mounting sleeve bearing fans in a non-vertical orientation will usually result in more noise and reduced lifetime.
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post #25 of 139
10/30/08 at 4:38pm
Noctua, but are little expensive -.-
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post #26 of 139
11/1/08 at 1:06am
Noctua.

Avoid SilentX, they brek too soon!
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post #27 of 139
11/1/08 at 7:15pm
My two favorites 120mm fans are these

Noiseblocker MF12-S2


Nexus Real Silent
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post #28 of 139
11/2/08 at 8:12am
Quote:
Originally Posted by mechati View Post
Out of your choices only the Scythe S-Flex can be considered silent...

Quote:
Originally Posted by Zonda View Post
Zalman, AC, S-Flex, Noctua, Enermax and Silverstone, many choices.
Only S-Flex and Noctua are known in that list as having high quality silent fans.

Quote:
Originally Posted by SeanEE89 View Post
If you get Yate Loon's do not get them at xoxide.com. Get them only at Petra's Tech Shop. They buy them straight from Yate Loon from what I have heard around quite a bit.

I would recommend Noctuas though. I have one and I plan on replacing all of my other 120mm fans with more.

Yate Loons are a fabulous cheaper solution though; Antec TriCool Fans are also good atleast the ones in my Antec 300 are nice and quiet.
Really silent yate loons don't really have much airflow to it. That's why they are only usually good for htpc's or get quiet a few of them.

Quote:
Originally Posted by wigseryc View Post
I'd got for Noctuas. I've got 3, and they're great!
Noctuas are great if you can spare an arm or leg.

Quote:
Originally Posted by JSB View Post
My two favorites 120mm fans are these

Noiseblocker MF12-S2


Nexus Real Silent
noiseblockers i heard good things about but havent had time to mess with one. nexus is an undervolted YL.

Quote:
Originally Posted by okorn View Post
Noctua.

Avoid SilentX, they brek too soon!
SilenX simply blows. $20 bucks for quality inferior to yate loons.
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post #29 of 139
11/2/08 at 8:17am
Quote:
Originally Posted by mechati View Post
OK, so got question regarding that statement about rpm's:
what is more important:
1- cfm (somehow related to rpm)
2- static pressure?

if i take 20mm thick and 38mm fan both running at 1400rpm - which one is going to be more silent?
CFM is how much cubic feet per minute. It basically means how many cubic feet of air can the fan move per minute. The usual correlation between rpm and cfm is a proportional relationship; higher rpm leads to higher cfm.

Static pressure is how much pressure the fan generates when it blows out the air or sucks the air in. In computer terms it means how hard a fan chokes when sucking air through anything besides open air aka radiator or heatsink. Fans like Panaflo, Noctua, YL, Scythe, and especially Papst and Sans Ace have very good amounts of static pressure. An easy way of measuring static pressure would be to hold increasing amounts of sheets of paper behind a fan and see how many sheets it can still blow up.
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post #30 of 139
11/17/08 at 5:47pm
I dont notice the S-flexs. The case(MozartTX) I got came with a bunch of cheap Thermaltake 120's. Left some of them in because they were free and I went overkill on the psu. The higher rpm S-flex 120s arent noticable at 100%. The thermaltakes and stock gpu fan are the only things that are really audible in my case .
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