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Silent Fans

post #1 of 6
Thread Starter 
Hey guys, Ninja_Boy here, and, as you may know, I am looking to build a silent rig. I have my case picked out, an Antec P180B, but I do not know which fan to place in the rig. I will be using 2xExhaust (Top / Rear) and 2xIntake (Front / PSU) So, here are my choices:

-SilenX 120x120x25mm Fan 14dBA - 72CFM (SilenX iXtrema 25mm)
-SilenX 120x120x38mm Fan 14dBA - 60CFM (SilenX iXtrema 38mm)
-Antec 120x120x38mm Fan 23dBA - 39CFM (Antec TriCool 38mm)
-Antec 120x120x25mm Fan 20dBA - 28CFM (Antec TriCool 25mm)
-Scythe 120x120x25mm Fan 8.7dBA - 33.5CFM (Scythe S-Flex)

Basically, for the three 25mm slots (One intake, two exhaust) I don't know whether to get the SilenX iXtrema or the Scythe S-Flex Fans. I need it to run silently but still push a lot of air. The 33.5CFM Scythe is still more than the stock fans at Low (6CFM more, 11.3dBA quieter). While the SilenX is ~2dBA less and pushes 44CFMs more.

For 38mm fans the stock Antec 120x120x38mm fan runs at something like this:
-High - 64CFM, 30dBA
-Medium - 55CFM, 27dBA
-Low - 39CFM, 23dBA

While the SilenX 38mm fan runs around these numbers:
-60CFM (21CFM more than Low, 5CFM more than Medium, 4CFM less than High)
-14dBA (9dBA quieter than Low, 13dBA quieter than Medium, 16dBA quieter than High)

Since they are all priced in the $15-20 range price isn't that big of a deal. And, I know, that if I actually run them in my case (when I get it) I'll know which one is best but I'm just trying to get an idea. Because, I heard SilenX tests there fans in open air, not cases, so it gets louder once you put it in a case. Right now I'm pretty sure that I'm getting the SilenX iXtrema 38mm fan because even if it does turn out to be 23dBA (worst case scenario, I'm estimating around 17-20dBA) it does push more air than the Antec TriCool on Low. So, if the SilenX fans (25mm and 38mm) gain ~5dBA they only go up to 19dBA while pushing 60/72CFM. This is double the Scythe's noise but also double the CFM. So, I really don't know.

Feedback is much appreciated.

Thanks,
[OCN] Ninja_Boy
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post #2 of 6
i vote for the 1st one
    
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post #3 of 6
Thread Starter 
There are different slots, oh, I guess I forgot to mention that. There is one 120x120x38mm slot down next to the PSU, three 120x120x25mm slots (1xIntake, 2xExhaust), and one 92x92x25? slot. I will using the three 25mm and the one 38mm.

Thanks,
[OCN] Ninja_Boy
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post #4 of 6
Well, another option is Thermaltake Thunderblades, which push 85 CFM at 21 dBa, so they're effective and quiet.

Or just get this and be done with it: http://www.performance-pcs.com/catal...oducts_id=1516
    
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post #5 of 6
Thread Starter 
Okay, but $1,200 is half my budget. So, that means, if I got that, I'd get an X1950Pro, 1GB of Ram, E6300, Asus P5B-E. That's horrible, I'd much rather have 14dBA 72CFM fans with an ATi/AMD R600, 2GB of Ram, E6300 Lapped + TT BT, and an Asus P5B-Deluxe/WiFi.
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post #6 of 6
Thread Starter 
Bump, before I go to sleep.
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The Monolith: III
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Intel Core 2 Quad Q6600 Asus P5K Deluxe/WiFi-AP eVGA e-GeForce 8800GTX 2x1GB of G. Skill DDR2-800 
Hard DriveOptical DriveOSMonitor
300GB / 60GB / 4GB 16x LG DVD Burner Windows: XP ViewSonic 19" VP191b 
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Saitek PK-02 SeaSonic M12 SS-700MH Antec P180B Mid-Tower Logitech G5 
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