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The [Official] Noctua Club - Page 223

post #2221 of 3104
Hi guys, I just installed a NH-U14S a couple days ago and I was looking for another NF-A15 fan for a push pull configuration. No stocks in my country, so I was looking for options while waiting for stocks to be restored. But when comparing other options with the NF-A15 I noticed that Noctua states the NF-A15 with 1200rpm, but my NF-A15 is running above 1500rpm.

Then I found this article saying that the bundle fan comes with 1500rmp and the retail fan comes with 1200rpm... Honestly, is this really true? According to the review "Noctua actually recommends using the standard 1200 RPM retail version at the rear because according to them, it will provide the best balance of performance and acoustics". Do they mean the third fan on the D15? From my understanding, they obviously don't mean the second fan for the NH-U14S.

http://www.relaxedtech.com/reviews/noctua/nh-d15/4

So it does not seem to be a typo from Noctua. And what about if you need to replace a NF-A15? Add a second one, a third one? Crank it all up? No love? Or maybe if I write Noctua will send / sell me a bundle NF-A15?

I am no expert in cooling, but it makes no sense to me.

I appreciate any feedback.
post #2222 of 3104
Yes, a 1200rpm fan called A15 AND a bundled 1500rpm cooler fan makes sense in the Noctua naming scheme. First cover yourself in chocolate and cream, then read it again. biggrin.gif

The NF-A14 is the 1500rpm model - however it has a square frame, but can fit with a little ziptied imagination.



If you're going to all the work of adding a second fan and noise, you could use the A15 1200rpm and put an LNA on your 1500rpm A15 so it runs a 1200rpm. That way you get a little extra cooling with a little less noise.

Is the Redux NF-P14s available in Brazil? It could work, if you don't mind the grey. I prefer matching chocolate and cream with more chocolate and cream.
post #2223 of 3104
The push pull configuration idea is mostly because of the heat down here smile.gif I felt the heat on the back of the case (the NF-A15 pushes a lot of air). I already ordered a Corsair SP120 High Performance Edition as an exhaust to be controlled by my fan controller (to don't go deaf) and another NF-A15 to make the flow in between the front fan and the exhaust fan. I would be very happy to shed 3-4ºC with it. I know that test benches show little difference in push pull, but I imagine that in a closed case, during 35-40ºC summer heat, the push pull with a good exhaust fan can make a good difference.

Interesting, are you saying that the NF-A14 is the bundle NF-A15 with a square frame? But I am not sure if I could adapt the wire. I was also considering to import two EK-Vardar F2-140 (or F3). I am not used to these coolers. Would I need to make modifications to fit the Vardars in the U14S? Or buy a new set of bracing wires?

And I don't want to use both at 1200rpm because mine was being PWM controlled at around 1100 "ish" and I gained some 5ºC when I left it full blast at 1500rpm. It made a visible difference. Then if I cap both at 1200rpm I might have the same performance with only one at 1500rpm. Or even less.

I did not get the Noctua joke smile.gif (forgive my Portuguese) but I find it odd that an enthusiast vendor like Noctua would sell the stock fan with 1500 and the retail running at LNA speeds. And they both have the same name. they could at least name the retail version NF-A15QE of "Quiet Edition". Even then it would make impossible a push pull configuration with the original fan and defeat the purpose. They should simply sell the same fan. And I assume the reviews are made with spare fans from the D15 I suppose. From all the reviews there is no one mentioning that the retail version is LNA. Kind of nuts, but is Noctua used to do this?
Edited by Contiusa - 2/8/16 at 6:41pm
post #2224 of 3104
     
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post #2225 of 3104
Quote:
Originally Posted by MicroCat View Post


The NF-A14 is the 1500rpm model - however it has a square frame, but can fit with a little ziptied imagination.

Ah, forgot to mention. The NF-A14 is for sale in Brazil. The Redux as well. There is just one store that sells a great deal of Noctua products, including D14 and D15 and spare parts. Other than that, 140mm static pressure fans are hard to find down here.
post #2226 of 3104
Quote:
Originally Posted by Contiusa View Post

Ah, forgot to mention. The NF-A14 is for sale in Brazil. The Redux as well. There is just one store that sells a great deal of Noctua products, including D14 and D15 and spare parts. Other than that, 140mm static pressure fans are hard to find down here.

Problem solved. Squarely with the A14 option. Or get 2 and mount them to the cooler and use the A15 from the U14 for intake.

I think the split between the 1200rpm and 1500rpm variants is that there might be silent fans and airflow fans in the management group. Lately it seems the airflow advocates got their way with the industrial series. The silent faction couldn't raise much noise against it. But, will release a silent 200mm fan with 10cfm they hope will silence the silence critics. Ok, I'll stop now, sorry, I'm in a punny mood.
post #2227 of 3104
If you want high static pressure 140mm fans, Rosewill's PWM is very good. It's cheaper but makes more noise than the Noctuas. Another less expensive option is the Thermalright TY-147A and the -143. I did a review of those fans on overclockers.

If I was going to put a third fan on an NH-D15 or -D15S to match the NF-A15 1500, I would add a Thermalright. Of course, knowing that a third fan is useless in high-output situations, I would go with three lower speed Noctuas -- one an NF-A15 1500 with LNA and two retail NF-A15 1200 rpm fans.

I did some other fan reviews, too. You can click on my handle and get a list of the reviews. I can't link to them from here because the forum has rules.
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post #2228 of 3104
Quote:
Originally Posted by ehume View Post

If you want high static pressure 140mm fans, Rosewill's PWM is very good. It's cheaper but makes more noise than the Noctuas. Another less expensive option is the Thermalright TY-147A and the -143. I did a review of those fans on overclockers.

If I was going to put a third fan on an NH-D15 or -D15S to match the NF-A15 1500, I would add a Thermalright. Of course, knowing that a third fan is useless in high-output situations, I would go with three lower speed Noctuas -- one an NF-A15 1500 with LNA and two retail NF-A15 1200 rpm fans.

I did some other fan reviews, too. You can click on my handle and get a list of the reviews. I can't link to them from here because the forum has rules.

Just did a cheapskate gaming build with the Rosewill 140mm PWM Hyperborea (Akasa Apache relabel) - they worked great as intakes and cooler fan. In my quiet little opinion, not only noisier than the A15s, but have a harsher tone above 1000rpm. However, they are the best value 140mm PWM fan in Canada at $11.99CDN - That's under $9 US and in the US they cost a staggering $13.99!! (If anyone from newegg is reading this, look away now, please)

In Canada, Thermalright fans and coolers are now a historical anomaly. Can import them from the US, but after shipping and taxes/duties/exchange, the 147A at $60 is not much of a bargain. And Noctua products cost less here than in the US, currency adjusted. So, at least we have that. For now.

Seems I can link to a very comprehensive 140mm fan test at overclockers: http://www.overclockers.com/15-case-fans-tested-ultimate-140-mm-roundup/ - might seem eerily similar to what ehume was referencing, probably just coincidence.

And here's another one: http://www.overclockers.com/thermalright-ty-143-and-ty-147a-140-mm-fan-review/. This thoughtful and thorough reviewer is a busy guy! ;-)
post #2229 of 3104
Quote:
Originally Posted by MicroCat View Post

Problem solved. Squarely with the A14 option. Or get 2 and mount them to the cooler and use the A15 from the U14 for intake.

Cool, I might get two because they are for a good price. But I just checked the mounting wire and it seems to be proprietary. People really use the zip tie like you mentioned or is there a mod kit of some sort?
post #2230 of 3104
Quote:
Originally Posted by ehume View Post

I did some other fan reviews, too. You can click on my handle and get a list of the reviews. I can't link to them from here because the forum has rules.

Cool, I have been checking the links and they are very helpful, but from what I have seen the top level static pressure 140mm fans are kind of a select breed in the market in general, then you can imagine in Brazil smile.gif Phanteks, Thermalright, GentleTyphoon are brands that were never sold here. For some reason there is this store selling Noctua's line, and in isolated cases you see high end products like Gamer Storm Assassin II, a Be Quiet fan, but other than that you find mostly the whole Corsair line (not finding the SP140 Led ones) and air flow fans or 120mm static pressure fans for cases. To import I would probably go for the big dogs anyway. Other than that it might perform worse than one NF-A15 alone.

Oh, well... What was supposed to be an easy add on is becoming an expensive play smile.gif And if the zip tie is the standard for modding... Bummer. I will give an earful to Noctua's support smile.gif
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