120mm vs 140mm Noctua Case fans

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sonyzz

sonyzz

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Jul 14, 2013
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So i bought new case 2 days ago http://www.inwin-style.com/en/gaming-chassis/GRone and it supports 140mm fans or 120mm fans. I have Noctua NF-S12A FLX which i used as case fans in my previous case, but since its supporting 140mm i thought about upgrade, when i check Noctua's page and find out that there is not a big difference between 120mm FLX series fans and 140mm - NF-A14 FLX http://noctua.at/en/products/fan both of the fans max rpm is 1200, 140mm fan is 2dB louder, and gives only 7.5 m³/h improvement over S12A FLX, aswell it gives only 0.32 mm H2O improvement on pressure side. So is it worth keeping the one's i have S12A FLX in the shelf and buying those A14 FLX, or not?Because its comfusing me, people tend to say 140mm fans move more air over 120mm fans because, they have bigger blades etc. but as we see it doesn't do that magical thing, and not giving you like 50% improvement over 120mm fans as people on forums are saying....
 
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Gingerbread
Not worth it, even if it was 50% increase. The only time you should consider changing those fans is when you run into cooling problems, and this will be because of high overclocks. Only then should you upgrade your case fans, and even then you should look into something like the Noctua industrial grade fans, those at 2000 and 3000 RPM, they are a real game changer, but then again I would not call them a necessity.
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Gingerbread

Gingerbread

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Nov 2, 2009
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Not worth it, even if it was 50% increase. The only time you should consider changing those fans is when you run into cooling problems, and this will be because of high overclocks. Only then should you upgrade your case fans, and even then you should look into something like the Noctua industrial grade fans, those at 2000 and 3000 RPM, they are a real game changer, but then again I would not call them a necessity.
 
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sonyzz

sonyzz

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Jul 14, 2013
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Yes they are the real game changer when they spin on 3000rpm and you hear your pc like jet engine ready for lift off, same like AMD Phenom and FX stock cooler fans but, NF-S12A FLX is 17dB so its silent as rock :) but powerfull as same jet engine.
 
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