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25 vs 20mm fans?

post #1 of 12
Thread Starter 
Hello,

Im planning on buying a caselabs m8 soon and have been looking at some fans

is there a disadvantage to 120x20mm fans apposed to 25mm

here they are:
http://www.frozencpu.com/products/10456/fan-688/Yate_Loon_120mm_x_25mm_Fan_-_Open_Chassis_D12SM-12.html?tl=g36c15s60
or
http://www.frozencpu.com/products/7558/fan-454/Yate_Loon_120mm_x_20mm_Slim_Fan_-_Medium_Speed_D12SM-12C.html?tl=g36c15s771

also doing an air cooling build
don't have the money for water nor am i completely convinced to switch over(maybe in the future)
and these will be just for case fans, no rad or heatsink
and getting the scythe 12 fan controller

Or any better solutions will be appreciated?
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post #2 of 12
Not to my knowledge.

The only reason I would see buying one over the other is due to size needs. You also have to make sure you buy the right length screws so you don't go into your radiator when you attach a fan (not applicable to you, just a note).

I don't like either of those fans because they are rated as incredibly loud (28 and 33dB) at pretty normal speeds. My fans are close to the same speed at 19dB, but far more expensive http://www.frozencpu.com/products/6661/fan-399/Noctua_NF-P12_120mm_x_25mm_Fan_-_543_CFM_at_19_dBA.html?tl=g36c15s60

These are commonly recommended:
http://www.frozencpu.com/products/10210/fan-654/Scythe_Gentle_Typhoon_120mm_x_25mm_Fan_-_1450_RPM_D1225C12B4AP-14.html?tl=g36c15s60
http://www.frozencpu.com/products/8408/fan-525/Noiseblocker_NB-BlackSilentFan_XL2_120mmx25mm_Ultra_Quiet_Fan_-_1500_RPM_-_21_dBA.html?tl=g36c15s60
     
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post #3 of 12
Quote:
Originally Posted by TheJesus View Post

Not to my knowledge.
The only reason I would see buying one over the other is due to size needs. You also have to make sure you buy the right length screws so you don't go into your radiator when you attach a fan (not applicable to you, just a note).
I don't like either of those fans because they are rated as incredibly loud (28 and 33dB) at pretty normal speeds. My fans are close to the same speed at 19dB, but far more expensive http://www.frozencpu.com/products/6661/fan-399/Noctua_NF-P12_120mm_x_25mm_Fan_-_543_CFM_at_19_dBA.html?tl=g36c15s60
These are commonly recommended:
http://www.frozencpu.com/products/10210/fan-654/Scythe_Gentle_Typhoon_120mm_x_25mm_Fan_-_1450_RPM_D1225C12B4AP-14.html?tl=g36c15s60
http://www.frozencpu.com/products/8408/fan-525/Noiseblocker_NB-BlackSilentFan_XL2_120mmx25mm_Ultra_Quiet_Fan_-_1500_RPM_-_21_dBA.html?tl=g36c15s60

But what you didn't mention is that the Yates are moving more air and will have a higher static pressure also....

Also the NF- P12's have a max of 1300 RPM

Yate Loon 120mm x 25mm Fan 1650 RPM
Yate Loon 120mm x 20mm Slim Fan 1800 RPM
Edited by smash_mouth01 - 1/15/12 at 1:10am
post #4 of 12
Quote:
Originally Posted by smash_mouth01 View Post

But what you didn't mention is that the Yates are moving more air and will have a higher static pressure also....

20CFM isn't worth an extra 10dB in my book, but each person can decide for themselves. He does have a fan controller so he could certainly get the Yates and turn them down.

Its really different for my build since its liquid and supposed to be quiet as opposed to all air where its kind of accepted to be louder.
     
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post #5 of 12
we can both agree on that....depending on needs......I want to have a look at Noctua's NF-F12 PWM's...... but for the liquid cooling that I am setting up I'd need 6....some serious coinage right there
post #6 of 12
Quote:
Originally Posted by smash_mouth01 View Post

we can both agree on that....depending on needs......I want to have a look at Noctua's NF-F12 PWM's...... but for the liquid cooling that I am setting up I'd need 6....some serious coinage right there

Yeah... I only needed two of the 120s, so it wasn't outrageous, but still a lot of money for a FAN, lol. I figured after $500 in the liquid, what was $50 for fans rolleyes.gif
     
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post #7 of 12
He does have a fan controller so he could certainly get the Yates and turn them down.g.gif
post #8 of 12
Thread Starter 
Thanks for the input guys

if I was going liquid cooling I would jump on the Gentle typhoons but a little pricy just for the case fans
so unless any other input on why not to get the 20mm I will get those one

but if I do switch I will keep the size into consideration thanks to TheJesus
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post #9 of 12
Quote:
Originally Posted by chen123 View Post

He does have a fan controller so he could certainly get the Yates and turn them down.g.gif

yeah thats true....
Quote:
Originally Posted by TheJesus View Post

Yeah... I only needed two of the 120s, so it wasn't outrageous, but still a lot of money for a FAN, lol. I figured after $500 in the liquid, what was $50 for fans rolleyes.gif

Yeah I have already spent over $200 odd on Noctua fans accidentally breaking 3 NF-P14 FLX's...but they are nice fans and even better with a 6 year no fuss warranty.... I love them, but at the moment I am running 4 Thermalright TY-140's and they are fan-tastic (pun intended..).. but the let down is the 120mm fan mounting
post #10 of 12
the blade designs are thinner on the 20mm fans for obvious reasons
so probably some compromise there
the only 20mm fans I've ever used were the scythe ones and I like them
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