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Is it really that loud ?

post #1 of 29
Thread Starter 
Hey guys ! I was looking to buy a new case today (Thermaltake V3) and i saw some Ultra kazes fairly cheap . I plan to put them on top (2 of them) so they can get a lot of air out .

Q1 : Would painting the blades reduce its performance ?(i want a blue-red theme , red for exhaust,blue for intake ) , so i want o paint them red ..

Q2 : How loud are they ? It says 45 dB , which is as loud as my 480 .

Is that true ? are they really gonna be that loud ? I wouldn't find 45 dB EXTREMELY loud , as when i turn my VC fan to 5000 rpm (100%) it's not EXTREMELY loud , but it's not silent either , it gets annoying after a while .. I can't concentrate on games anymore ... bla bla

Q3 : If i put 2 on => 90 dB ?

Thank you .
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Charlie
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post #2 of 29
Quote:
Originally Posted by madalin View Post
Hey guys ! I was looking to buy a new case today (Thermaltake V3) and i saw some Ultra kazes fairly cheap . I plan to put them on top (2 of them) so they can get a lot of air out .

Q1 : Would painting the blades reduce its performance ?(i want a blue-red theme , red for exhaust,blue for intake ) , so i want o paint them red ..

Q2 : How loud are they ? It says 45 dB , which is as loud as my 480 .

Is that true ? are they really gonna be that loud ? I wouldn't find 45 dB EXTREMELY loud , as when i turn my VC fan to 5000 rpm (100%) it's not EXTREMELY loud , but it's not silent either , it gets annoying after a while .. I can't concentrate on games anymore ... bla bla

Q3 : If i put 2 on => 90 dB ?

Thank you .
Q1.) I believe the blades can be painted without reducing performance (enough to notice at least). You can do a search of overclock.net, there are at least two threads on it.

Q2.) I hear those fans are pretty loud, it may get annoying. You might be able to use a fan controller to slow them down a bit, I believe they do get a high pitched noise from undervolting them though. A little might be okay. Here's a loudness chart for a comparison, http://www.gcaudio.com/resources/howtos/loudness.html.

Q3.) The decibel scale is non-linear (it's logarithmic), so adding two does not make them 90 decibels. I believe the general rule is for every decibel you have to double the noise.
post #3 of 29
Thread Starter 
Thanks taylorsci , rep+ .
Charlie
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Charlie
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post #4 of 29
Thread Starter 
Do you think the performance worths the sound ?
Charlie
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post #5 of 29
45db is pretty loud. I couldn't imagine having anything over 35db running 24/7, and that is significantly quieter than 45db.
/hwaw
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/hwaw
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post #6 of 29
Quote:
Originally Posted by madalin View Post
Do you think the performance worths the sound ?
No, I don't think using Ultra Kaze's as case fans is worth the noise. You don't need that much CFM as intake/exhaust. Go for something quiet.
/hwaw
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/hwaw
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post #7 of 29
I wouldn't think 45 would be worth it either...I would go out and buy quieter fans personally, but that's just me
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post #8 of 29
Those fans tick when you undervolt them, so if you find them to loud and put them on a fan controller, you might find them annoying.
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post #9 of 29
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Charlie
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Charlie
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post #10 of 29
For a case fan they are definitely not worth it I don't think but they are nice for radiators. I personally have three of them pushing though my radiator at full blast and the noise is nothing like a video card fan. It's more of a deeper sounding rush of air that you hear constantly. It really doesn't bother me very much especially since adding them dropped my temps almost 10C over some thin medium speed yate loons.
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