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Upgrading fans on my H100, need advice

post #1 of 7
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I currently use four Scythe SY1225SL12SH fans on my Corsair H100 in a dual push-pull configuration right now. One of the fans has been going bad for a little while and I am finally too annoyed by its noise so I will be replacing it. I figure while I am at it I should upgrade my fans to something better as these really dont seem to push that much air, not what I expected when I bought them. The fans have a 110 CFM rating, but dont list static pressure at all so I am feeling like it must be pretty low. I am looking to upgrade to something that will definitely be better, and will probably replace the two fans on the bottom of my radiator with the new fans and leave two of the old ones on top pulling. I seem to have narrowed down my choice of fan to three options but I dont know which would be best. Noctua fans seem to be "all the rage" and I dont really know why, to me the specs on them look inferior but maybe Noctua actually rates their fans realistically? IDK. The three fans I am thinking about are:

Noctua NF-P12
Corsair SP120 High Performance Edition High Static Pressure
Scythe Gentle Typhoon D1225C12B9AP-30 (4250 RPM version)

I am not really sure what to get because those Corsair's look like they have near twice as much static pressure rating as the Noctua, and better CFM as well. Sure they are a lot louder, but I don't really care that much as long as they are under 40-45 db. Would the Corsair's be the best choice here? Or are they really just spec hyped garbage? And is static pressure really what I should care about for being used on a 240mm radiator like this? Cause that Gentle Typhoon has WAY higher CFM rating than the other choices, but so did my old Scythe SlipStream's and they dont seem to perform well... Here are links to each of the fans:


http://www.frozencpu.com/products/16043/fan-995/Corsair_Air_Series_SP120_High_Performance_Edition_High_Static_Pressure_120mm_Fan_-_2_Pack_CO-9050008-WW.html?tl=g36c15s60

http://www.frozencpu.com/products/12364/fan-810/Scythe_Gentle_Typhoon_120mm_x_25mm_Fan_-_4250_RPM_D1225C12B9AP-30.html?tl=g36c15s60



And my old fans I am using right now:
http://www.newegg.com/Product/Product.aspx?Item=N82E16835185060
Edited by EniGma1987 - 8/2/13 at 7:49pm
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post #2 of 7
Scythe Gentle Typhoons are the best of those. You'll probably want to get AP-15s though , do you really need 4250RPM???

http://www.frozencpu.com/products/10323/
http://www.amazon.com/Scythe-Gentle-Typhoon-120mm-25mm/dp/B001Q6RUVO
http://www.sidewindercomputers.com/scge120mmsic2.html

see

http://martinsliquidlab.org/2013/04/24/fan-testing-round-11/
http://martinsliquidlab.org/2012/05/07/r10-fan-testing-bitfenixnoctuasilenxnoiseblockerphobya/

Also don't believe Corsair/Noctua fan ratings , all manufacturers all liars except Nidec (makes Gentle Typhoon) and other OEMs such as Sanyo / Yate Loon / Delta.

see http://catalog.nidec-servo.com/digital/english/general/pdf/D1225C.pdf

and (AP-14) http://www.hardware.fr/articles/874-35/recapitulatif-db-a-vs-cfm.html


and http://www.hardware.fr/articles/874-25/scythe-kf2-slipstream-glidestream-gentle-typhoon-test.html
Edited by AlphaC - 8/2/13 at 7:30pm
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post #3 of 7
you want static pressure and you don't care about noise right? biggrin.gif



the REAL question is are you unhappy with your temps? the scythe you have currently are designed for CFM not for static pressure so they aren't going to perform well as a rad fan, but are they so bad that you aren't getting good temps?
post #4 of 7
I'm rocking these puppies on my setup: Link
After weeks of research I pulled the trigger and haven't had any regrets, check them out smile.gif
post #5 of 7
Thread Starter 
Quote:
Originally Posted by psyclum View Post

the REAL question is are you unhappy with your temps? the scythe you have currently are designed for CFM not for static pressure so they aren't going to perform well as a rad fan, but are they so bad that you aren't getting good temps?

Actually yes I am very unhappy with temps, partly why I was wondering if I needed something with a lot better static pressure rating as these current Scythe SlipStream's seem to perform like garbage on this radiator.

So those Gentle Typhoon's will really be the best choice for radiator fans? They definitely look better than those Noctua's from some of those reviews. Guess I will knock those off my list of choices.
The Corsair's actually look like the best radiator fan in total performance from those reviews you posted AlphaC, but only if I dont care about noise at all. Looks like the GT's seem to give the majority of the same performance but with much lower noise. If that chart is really true, the Corsair's in real world actually are much louder than I am looking for, but definitely give the performance I want.
Quote:




Brown Bird, I see you also have an H100 yourself so that is very helpful to me. Can you really feel the airflow coming from the fans? I know with my current SlipStream's I really barely feel anything from them. What speed, voltage, and temps do you have on that 3930K with your setup?
Edited by EniGma1987 - 8/2/13 at 7:55pm
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post #6 of 7
see also http://martinsliquidlab.org/2013/05/07/fan-testing-round-12/
Quote:
@500FPM air flow levels

The two GT fans continue to have the lowest noise level at 42-43dbA, but it is a different tone (very little air noise, mostly just a bearing sound). Interestingly the AP-45 sample seems a bit smoother here than the AP-15
The Corsair SP120 is second lowest at this performance level at about 49dBA, noise quality is ok but not ultra smooth either.
The Noiseblocker B12-3 1900RPM model may not have super low noise level at 50dBA, but by ear it actually sounds much better. It is a smoother sound quality and makes it seem like a good number and actually comparatively good as the GTs. Also interestingly the noise quality of the higher speed Noiseblocker e-loop 2400RPM doesn’t seem nearly as good as the 1900RPM slower speed brother at this performance level.
The Cougar Vortex PWM is the only one to make it this far of the Cougars and putting out around 52dBA however noise quality is rather poor with a stronger motor tick.
The Noctua and Piranha also have legs to get to this air flow level, but the noise is also higher in the 52-53dBA levels and the noise quality not very good. The Piranha also seems to have a slight motor tick at this speed.

@600FPM air flow levels

The two GT fans continue to have legs to get to this point and at their trademark low noise levels although not what I would call great noise quality. There is a rather dominating bearing noise without much air noise to mask it. Regardless, it is hard to argue with the low 46dBA noise level at these speeds.
The Corsair SP120 would take second lowest noise level at this point with about 54dBA. It is considerably higher than the GTs, but still seems to be in it’s game without any unusual noise quality issues, fairly smooth for the speed.
The B12-4 higher speed Noiseblocker E-loop also makes it this far, but noise quality dramatically reduces with a higher whine developing. Noise level is a similar 54dBA, but it sounds louder than that by ear.
The Piranha also has legs to get here, but it’s the loudest of the bunch at 58dBA and also has some noise quality issues with an undulating low frequency and some motor tick.
The Noctua and Cougar fans are not capable of this much air flow.

...
BEST FAN 300FPM (~1000 RPM)

At this point I would call all the fans relatively the same. The Cougars, Noiseblocker, Noctua, GTs, Piranha, are all performing in that 36-39dBA and subjectively hard to tell much difference. This and slower speeds is where it just doesn’t make sense to spend a ton of money on fans. Cheaper value fans perform just as well as the expensive ones and the Gentle Typhoons also don’t really separate themselves much. I actually prefer the sleeved and HDB bearing type fans a little better in noise quality at these slower speeds. I would probably call it a tie between the Noiseblocker B12-3, Noctua NF-F12, and Cougar HDB as they seem to have a slightly smoother sound quality at these slower speeds.

BEST FAN 400FPM & 500FPM (<1500 RPM)

This is where it gets kind of interesting to me. I kind of like the Noiseblocker e-loop B12-3 at these points although the GTs are good too and do have a slight noise level advantage. I just like the smoother sound quality of the noise blocker better and I also prefer the looks of the NB fan better. I’m going to call it a tie between the GTs and the Noise blocker E-loop B12-3.

BEST FAN 600FPM & 700FPM (>1500 RPM)

While the noise blocker is really nice at slower speeds, the Gentle Typhoon rules the high speed area. I wouldn’t call either one silent or perfect in noise quality, they do produce a different tone which seems slightly more whiny with bearing noise than others, but the noise level is remarkably low in comparison. The Corsair SP120 is actually not too bad at higher speeds as well, but it does have a slightly lower maximum where the GT AP-45 is doing just a bit better.
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post #7 of 7
Use stock fans? They will be enough to MAX the H100 RAD. They spin ~ 2400 RPM+ if i believe.
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