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120mm Mini Typhoon Suggestions - Page 3

post #21 of 22
Quote:
Originally Posted by HybridCore View Post
It seems I've found my favorite fan. I tend to look at value through ratio and for fans it's CFM/Decibal (CFM is max CFM). Here are the results...

Noiseblocker NB-Multiframe M12-P > 83CFM/29dBA > 2.689655172413793103448275862069

Scythe Gentle Typhoon D1225C12B7AP-29 > 83CFM/36.5dBA > 2.2739726027397260273972602739726

Scythe Gentle Typhoon D1225C12B9AP-30 > 116.5CFM/44dBA > 2.6477272727272727272727272727273

Scythe Gentle Typhoon D1225C12BBAP-31 > 150.1CFM/50.5dBA > 2.9722772277227722772277227722772

The numbers aren't exact since some don't terminate. Anyways, the AP-31 would probably be the best fan. I can do the PWM mod ehume posted. Thankyou ehume and avlin. Does anybody know how low I can bring the fan speed to with the PWM mod for the AP-31? Thanks.

Edit: I used the specs on frozencpu. Also, all of the AP-29 to 30 fans costed the same. They're less than the Multiframes still.

Edit: It seems the AP-31 comes with a PWM line now. Again, does anybody know how low the fan speed can go?
Those specs are approximate. Don't do your math out beyond two digits (e.g. - 2.6).

All the highspeed GT's come with the ability to put in a PWM line. But you need to be prepared. See my sig.

Can't tell you how low the AP-29 and AP-31 go, but my AP-300 goes down to 1180 rpm with the PWM line grounded (=0% duty).
Edited by ehume - 8/6/11 at 8:22pm
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alpha updated
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secundus
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CPUMotherboardGraphicsRAM
i7 4790k Gigabyte GA-Z97X Gaming-7 Intel HD4600 Crucial Ballistix Sport Very Low Profile 8GB Ki... 
Hard DriveCoolingOSMonitor
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post #22 of 22
Thread Starter 
Ah...I see. Should be in the 1000 range then.

Edit: It seems the ones they sell on FrozenCPU come with the 4th line installed. Should I get it or do it myself? I don't have a soldering iron though.

Edit: It seems it comes stock with a 4 pin connector.

Edit: After looking at the lowest speed for PWM for yours, I think the AP-31 will be limited to 2000rpm lowest. I think it would be safest to go with the AP-29.
Edited by HybridCore - 8/7/11 at 4:23am
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