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CM R4 (90CFM ~23dB)

post #1 of 13
Thread Starter 
Does this fan http://www.coolermaster.com/product.php?product_id=4355 realy create 90CFM airflow at 23dB ? and if is best choice for ammount of air it blow and noice it produce. I will create homemade case (still idk how it will look) and i am wondering if is this good fan especialy price on dhgate somone is selling 1x for 6.5$ but idk how trusted is this seller
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post #2 of 13
Quote:
Originally Posted by LukaTCE View Post
90CFM airflow at 23dB
I don't think that fan can push both specs at the same time, probably 90cfm at full speed and 23db at low speed, that's how coolermaster do it.

EDIT: But they are good fans, don't get me wrong.
Edited by _Chimera - 8/14/11 at 6:51am
post #3 of 13
The fan is nice as a case fan, but it is indeed louder than 23 db at full speed. I had a couple of them, and sound was in par to the Corsair fans i have, rated at 32 db
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post #4 of 13
The sound is Normaly a minimum sound from coolermaster.
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post #5 of 13
Maybe at 23 dB but I'm not sure if it actually pushes to 90 CFM cuz I have like4 of those R4's in my case but it is still considered as quiet but I can't really feel that they are at 90 CFM full speed IMO.
post #6 of 13
Thread Starter 
So should i get CM 12cm sickeflow 70cfm 20dB or any another fan ? i think 32dB would be too loud to have like 6 this fans in case ?
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post #7 of 13
Quote:
Originally Posted by LukaTCE View Post
So should i get CM 12cm sickeflow 70cfm 20dB or any another fan ? i think 32dB would be too loud to have like 6 this fans in case ?
6 fans? why not get 2 of those 200 mm 100 CFM fans as intake and exhaust ? That would really keep the volume down, besides, you can also include sound dampening materials in your case
post #8 of 13
Those specs are doubtful. If they are anything like the 200mm fans they make rated at 110cfm, they won't be anywhere near their rated cfm.
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post #9 of 13
I believe there's an error cause I saw them rated at 69 cfm/19 DBa (max/min) on a canadian retailer (ncix) and newegg.ca. Those specs are the most plausible.
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post #10 of 13
They definitely are 69 CFM. Were they really 90 CFM fans, they would've outpaced the fans I used for comparison in my last CMHD article.
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