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Noctua Fans for silent(er) cooling

post #1 of 5
Thread Starter 
2 years ago when I bought my first Intel Based PC (Sandy Bridge) I also ordered a Hyper 212+ (non-evo) cooler but I swapped out the stock fan for 2 of these: http://www.newegg.com/Product/Product.aspx?Item=N82E16835185060
They were powerful yet loud fans but it didn't bother me since I usually turn it off at night but now I live by myself and upgraded to an Ivy Bridge PC(Main one in Sig, uses Noctua cooling) and Sandy is now being used for Multipurpose such as torrenting and watching Movies/Anime, which I leave on 24/7.

For nearly a year of sleeping with my multipurpose computer being on 24/7, I finally bought two 120mm Noctua fans to replace the current Scythe fans. Maybe I'm starting to get old or I'm starting to realize my insomnia/constantly being tired on a work day is affecting my thought process despite sleeping 6-8 hours. But I was wondering if the sound reduction would be a huge improvement?
This is the fan that will replace the Scythe. It should be here in the morning but I won't be able to install it until after work.
http://www.newegg.com/Product/Product.aspx?Item=N82E16835608004

Freaking Scythe fans sound louder than 50 decibels with both of them spinning
Edited by Kiros - 10/10/13 at 10:54pm
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Anatolii
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post #2 of 5
There will be a very noticeable difference in noise between those fans.
post #3 of 5
The Noctua fans will sound a lot quieter due to being lower RPM and still be fairly effective for cooling due to higher static pressure from their blade design. The particular Scythe fans you linked are better suited for using on the case, not heatsink.

Actual fan noise level depends on a number of factors, roughly in this order.
1) Higher RPM = more noise (= more airflow as well).
2) More fans = more noise.
3) Fan next to something (in your case, CPU heatsink fins) = more noise.
4) Fan blade design can affect noise.
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post #4 of 5
How about getting some Scythe Gentle Typhoons, I have three and I love them so. The ones I have are 1850RPM and they're somewhat loud running full speed. But if you use a fan controller for them, they will stay nice and quiet. Plus they move a lot of air with a great pressure. I too love Noctuas and have 4 of the 140mm ones in my computer right now, but I really prefer Scythe GTs these days.
post #5 of 5
Thread Starter 
I bought those scythe fans back then in hopes of keeping my PC cool while doing heavy overclocking. Of course my sandy was the first real overclocking system I have owned. I'm surprised yit still runs today despite all that strain I put on it. But yes when I was looking for fans I just looked for the one with the highest air flow but ignored the decibel part. Guess I'm paying for it now by having to replace them.

I also picked up my noctua fans.. just waiting to get off work.
Edited by Kiros - 10/11/13 at 1:29pm
Anatolii
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Anatolii
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Kirovskaya
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CPUMotherboardGraphicsRAM
Intel i7 6900K@4.2ghz Gigabyte X99 Designare EX Titan X (Pascal) GSkill TridentZ 64GB DDR4 3200mhz 
Hard DriveHard DriveHard DriveCooling
Samsung 840 EVO 500gb Samsung 950 Pro 512GB Samsung 850 EVO 1TB EK/Bitpower Custom Loop 
OSMonitorPowerCase
Windows 7 Ultimate 64 bits Samsung 55KS8500 4K Seasonic SilentSnow 1050w Caselabs White SMA8 
Audio
Logitech Z-5500 
CPUMotherboardGraphicsRAM
Intel i5 2500k MSI P67A-C43 EVGA 960 GTX G Skill 16gb 2400mhz 
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