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[kitguru] Aerocool DS Dead Silence Fan (120mm and 140mm) - Page 14  

post #131 of 425
Got a 140mm on the way, will arrive soon thumb.gif
cant wait
post #132 of 425
Quote:
Originally Posted by barcode71 View Post

You can bet your behind I tried Noctua fans (specifically NF-A14 PWM and NF-F12 PWM), and in all honestly they're not as great as many claim them to be. Horrible motor and wind noise, and it moves much less air (static pressure wise) than my GELIDs.

Many people are fooled by Noctua's fancy packaging, 6 year warranty, and all the tiny little features they added that somehow magically aids in better cooling. It's like buying a motherboard with 20 SATA ports when all you need is 2.
There is no motor noise from either NF-A14 PWM or NF-F12 PWM. Then you did not own or tried them. Please tell the truth.
NF-F12 PWM has wind noise is based on how the fan is placed and the design of the wind channels.

NF-A14 PWM have a stronger SP and airflow than the Gelid Silent 14. Which all the Gelid Silent 12/14 produced the annoying PWM tick at low levels. The Noctua did not produce any of that annoying noise.
Fooled by Noctua Packaging? What is that suppose to mean. They say 6 years is fine, other companies give different warranty. Noctua confident that 6 years is good to use long term.
I've had my NF-P12 PWM fans for 4 years now and still working great.
My many other fans are not doing so well after 1-2 years.

Noctua fans may be price higher, and for that it does have a good reason to do so.
    
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post #133 of 425
Noctua NF-A14 PWM has wind noise only in pull on mesh. At lower RPMs there is essentially zero noise, Noctua's PWM IC doesn't tick. I have three samples and they all are quiet unless you're pulling air (then it's wind noise).

If there is motor noise you'd hear it if you held the fan instead of mounting on the case.

NF-F12 has wind noise due to stator vanes (much like the Silverstone Air Penetrators)

As far as money goes, is it worth $25-30? No. $17-18 maybe due to the accessories. The Phanteks fans are good contenders.
Edited by AlphaC - 3/15/14 at 10:13am
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post #134 of 425
Are these fans anywhere in the US?
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post #135 of 425
Quote:
Originally Posted by Sp33d Junki3 View Post

There is no motor noise from either NF-A14 PWM or NF-F12 PWM. Then you did not own or tried them. Please tell the truth.
NF-F12 PWM has wind noise is based on how the fan is placed and the design of the wind channels.

NF-A14 PWM have a stronger SP and airflow than the Gelid Silent 14. Which all the Gelid Silent 12/14 produced the annoying PWM tick at low levels. The Noctua did not produce any of that annoying noise.
Fooled by Noctua Packaging? What is that suppose to mean. They say 6 years is fine, other companies give different warranty. Noctua confident that 6 years is good to use long term.
I've had my NF-P12 PWM fans for 4 years now and still working great.
My many other fans are not doing so well after 1-2 years.

Noctua fans may be price higher, and for that it does have a good reason to do so.

You are right the Noctua fans don't tick when on the PWM and they are quiet at low RPMs, and it depends where you place the fan


But the problem with Noctua is the marketing, for example: NF-P12 is an awful fan in terms for pressure, the NF-S12A was better pressure for radiators, although the marketing said otherwise. The was pointed out by martins liquid labs, he also noted that Noctua fans were just average in terms of noise, airflow and pressure,.

From what I have seen I through testing, I feel that it is bad advice to recommend Noctua/Cougar/Other over priced fans over other cheaper/quieter/better looking alternatives, you can get fans for around $5 that are good enough for most.

If we did blind test we would find that out.
post #136 of 425
Quote:
Originally Posted by Quesoblanco View Post

Are these fans anywhere in the US?

Not yet, but they should be in the next couple of weeks according to responses to emails that some members have sent.
post #137 of 425
where can I buy these in europe?

UK amazon didn't show
post #138 of 425
Quote:
Originally Posted by Sp33d Junki3 View Post

There is no motor noise from either NF-A14 PWM or NF-F12 PWM. Then you did not own or tried them. Please tell the truth.
NF-F12 PWM has wind noise is based on how the fan is placed and the design of the wind channels.

NF-A14 PWM have a stronger SP and airflow than the Gelid Silent 14. Which all the Gelid Silent 12/14 produced the annoying PWM tick at low levels. The Noctua did not produce any of that annoying noise.
Fooled by Noctua Packaging? What is that suppose to mean. They say 6 years is fine, other companies give different warranty. Noctua confident that 6 years is good to use long term.
I've had my NF-P12 PWM fans for 4 years now and still working great.
My many other fans are not doing so well after 1-2 years.

Noctua fans may be price higher, and for that it does have a good reason to do so.

That is the truth. I'm not here to waste my time spread misinformation. I never mentioned the GELID Silent, I'm not sure why you brought it up. My entire discussion and comparison has been about the GELID Wing 12 PL. The GELID Silent PWM is a completely different fan than the PWM GELID Wing 12 PL, the Silent uses hydro bearing and the Wing 12 PL uses nano bearings, therefore the sound signature and performance is completely different. Also, the low rpm "tick" you mentioned on the Silent does not exist on the Wing 12 PL.

I had both fans connected to a BitFenix Hydra Pro controller and the Noctua DOES have motor noise, although slight, but it's there. Until you've compared the GELID Wing 12 PL and the Noctua NF-F12 PWM side by side, you have no idea what you're missing in terms of silent performance. My only gripe with the Wing 12 PL is that it doesn't come in a non-LED model.

My Wing 12 PL has a 5 year warranty. 5yr, 6yr, 7yr is all irrelevant to me. It's just a marketing tool. It's like giving a PC case a 10yr warranty.

Like I said in my previous post, most people I've spoken to only experienced 1 type of fan and 1 type of bearing, because either don't have the time/finances/resources or just don't want the hassle and fuss of going through different types of fans from different manufacturers. Here is a the list of fans I tried before settling with the Wing 12 PLs:

Noiseblocker M12-P, Cougar CF-V12HP, Noctua NF-F12 PWM, GELID Wing 12 PL, Scythe AP-15 & AP-45 and bequiet! SW1 (2200rpm), they all have their strengths and weakness and none are particularly bad, it just didn't meet my criteria of high static pressure AND near silent performance.

I'm not here to bash on Noctua, I'm just here to share my objective experience but most replies so far have been very closed minded and I sense a level of brand loyalty.
post #139 of 425
Quote:
Originally Posted by barcode71 View Post

I had both fans connected to a BitFenix Hydra Pro controller and the Noctua DOES have motor noise, although slight, but it's there. Until you've compared the GELID Wing 12 PL and the Noctua NF-F12 PWM side by side, you have no idea what you're missing in terms of silent performance. My only gripe with the Wing 12 PL is that it doesn't come in a non-LED model.

There is your screw up. You plugged a PWM fan to a voltage fan controller. If you correctly used the fan on how it was meant to be use, on the CPU PWM header on mobo or a true PWM splitter like the Swiftech 8-Way, then there will be no noise.
That is why you have motor noise and a good way to damage the fan.

Also most fan controllers will cause motor noise on some fans, especially the Bitfenix ones. Recon and Hydra Pro have an issue to cause fans to emit noise.
I own the Hydra pro and it was the cause of the issue.
Edited by Sp33d Junki3 - 3/15/14 at 7:09pm
    
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AudioAudioOtherOther
Logitech UE 4000 Headphone Sennheiser PC320 Headset MX-4 Thermal Paste (CPU/GPU) 3x 140mm Noctua NF-P14s Redux 1200rpm PWM 
OtherOther
1x 120mm Noctua NF-S12B Redux 1200rpm PWM NZXT 2m Sleeved White LED 
  hide details  
    
CPUMotherboardGraphicsRAM
Intel 3770k @ 4.2Ghz Asus Z77 Sabertooth EVGA GTX1060 3GB Crucial Ballistix Tactical 16GB BLT2K8G3D1608ET... 
Hard DriveHard DriveHard DriveHard Drive
Crucial MX100 512GB Corsair Force 115GB WD Green 1TB WD Green 2TB 
CoolingOSMonitorKeyboard
Cryorig C1 + XT140 Win7 64 Home SP1 ASUS VE278Q CM Storm Trigger Brown Switch 
PowerCaseMouseMouse Pad
Corsair AX650 NZXT S340 Logitech G500 Razer Goliathus Extended Mouse Pad - Speed 
AudioAudioAudioAudio
Audiotrak Prodigy Cube DAC Edifier S330D 2.1 Speaker Bose AE2 Headphone Superlux 668B Headphone 
AudioAudioOtherOther
Logitech UE 4000 Headphone Sennheiser PC320 Headset MX-4 Thermal Paste (CPU/GPU) 3x 140mm Noctua NF-P14s Redux 1200rpm PWM 
OtherOther
1x 120mm Noctua NF-S12B Redux 1200rpm PWM NZXT 2m Sleeved White LED 
  hide details  
post #140 of 425
Quote:
Originally Posted by Sp33d Junki3 View Post

There is your screw up. You plugged a PWM fan to a voltage fan controller. If you correctly used the fan on how it was meant to be use, on the CPU PWM header on mobo or a true PWM splitter like the Swiftech 8-Way, then there will be no noise.
That is why you have motor noise and a good way to damage the fan.

Also most fan controllers will cause motor noise on some fans, especially the Bitfenix ones. Recon and Hydra Pro have an issue to cause fans to emit noise.
I own the Hydra pro and it was the cause of the issue.

Not sure where you get your information from but voltage control is the same for PWM and non-PWM fans. If you plug a PWM fan into your mobos 3-pin it's speed is controlled by voltage and the 4th pin (PWM) just isn't used. When a PWM fan it plugged into a 4-pin PWM header it gets a constant 12V but fan speed is controlled via PWM. Not using the 4th pin to control fan speed does not induce motor noise.

However, you're absolutely right about the Hydra Pro/Recon inducing fan whine, that's because BitFenix produces garbage, garbage in garbage out. BitFenix used crap voltage control and that's why you get fan whine. I have since switch to NZXT Sentry Mix 2 which does not exhibit this problem. I highly recommend everyone to stay away from BitFenix products, their quality control is non-existent and the materials and parts they use are cheap and of poor quality, all they have going for them is aesthetics, but looks alone can only go so far…

I also tested the PWM fans mounted on my NZXT Havik 140 (single and push/pull) using a Gelid PWM 1-to-4 Splitter, because fan sound is very different when mounted vs holding it in your hand, I cranked the fans to 100% through the BIOS, same motor noise.
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