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Noctua Demonstrate Their Next-Generation A-Series Fans at Computex 2017

Raevenlord

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#1
Noctua, a company well-known for the performance and acoustic characteristics of their fans (and especially for their love-it-or-hate-it brown and tan fan color scheme) has showcased their next-generation A-series fans, which took the company more than four years and 200 test designs to achieve. This is surely a case of discovering how to not make a product in 200 different ways. Noctua only had to get it right once; and it would seem they did.

Noctua are promising unparalleled performance at the A-Series noise levels. The reasons for this are varied, but one of them - perhaps the most important - comes from the fact that Noctua has ditched PBT - the plastic most commonly used in this kind of products - for a completely new compound, which the company calls Sterrox. Sterrox is a liquid crystal polymer of the same family as Kevlar. This means it has an ordered molecular structure (whereas PBT manifests a chaotic one), which means Sterrox is a much more rigid compound. This helps the fans keep their shape after spinning for long periods of time - something which happens with PBT-made fans. The chaotic structure and lower rigidity means the material deforms due to the centrifugal forces, effectively elongating the fan blades (an effect dubbed impeller creep), which means usual fan designs have to take this into account, usually by increasing the gap between the frame and the fan blades. Noctua aimed for a 0.5 mm tip clearance (much lower than the usual 1.5 or 2 mm), which results in much better air and noise performance. A narrower gap means that less air leaks through it back to the front of the fan, which allows more air to be pushed through heatsinks and radiators. And the fact that the fan blades are more rigid means they don't suffer microscopic wobbles and vibrations on the surface when spinning - hence, quieter. But how good are these new fans, really?





Well, apparently they're twice as good as Noctua's own NF-F12 fans. The company showed at Computex 2017 how a single A-series fan achieved identical temperatures to a setup which used two NF-F12 fans on the same processor, workload, and heatsink. And we thought the NF-F12 were good already.



The company is also trying to blur the line with consumer's expectations regarding static pressure and airflow measurements, saying that their new A-series, while not as good on paper as their specialized fans on either metric, can easily beat both on realistic scenarios. Noctua's Jakob Dellinger says these 120 mm will even outperform most 140 mm fans when released, and that the company will be launching an adapter so users can use these A-series fans on 140 mm fittings. Apparently, there's more to increasing a fan size than just adding an extra 20 mm to the molds. Expect these fans to cost more than Noctua's NF-F12, due to the fact that Sterrox, the compound used in their manufacturing, is four times more expensive than common PBT.

Source: PC Gamer
 
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P4-630

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#2

IanHagen

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#3
Great, great brown coolers. Why can't they make such great coolers without painting them brown?!
 
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#4
Reminds me of Gentle Typhoons.
 

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#5
$79,99 ? Lol! :p

I'd like to try them though....
Removed the mention of pricing. It only said that they will NOT cost 4x as much (referencing the 4x price of the Sterrox material vs. traditional one). So no, they won't cost nearly that much.

As shown in the picture, Noctua can use a single A-series 120 mm fan to do the job of two current 120 mm on their coolers. This means quieter operation, same performance, but with only one fan.
 
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#6
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#7
Noctua stubbornly investing in engineering and product quality instead of following the market trend of investing in marketing, with "gaming" brands and RGB. Whats the point of good performance if their products are unusable, missing gaming-required edgy design guidelines?

EDIT: Every one knows, but just to make sure... Im being sarcastic here.
 
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#8
Why must everything be poop brown. Why can't they do the Grey color they use for Rev 2 stuff?
 
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#9
Noctua stubbornly investing in engineering and product quality instead of following the market trend of investing in marketing, with "gaming" brands and RGB. Whats the point of good performance if their products are unusable, missing gaming-required edgy design guidelines?
The clearly make enough money to not care about kids toys.
 
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#10
Not only they are made using the ugliest color scheme possible in the entire universe, they also make plastic out of recycled plastic containers used to carry around vegetables in the farmer's market, apparently. Look at that ugly cheap looking plastic with random lines in it. Recycled cheap plastic is the first thing that immediately jumped to my mind even though they say it's some high tech stuff. Gonna prefer a crystal clear Makrolon used on Noiseblockers. Just as high tech and looks pretty. But I guess Noctua wants to remain known after butt ugly fans. They sure are well known for that...
 
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#11
Not only they are made using the ugliest color scheme possible in the entire universe, they also make plastic out of recycled plastic containers used to carry around vegetables in the farmer's market, apparently. Look at that ugly cheap looking plastic with random lines in it. Recycled cheap plastic is the first thing that immediately jumped to my mind even though they say it's some high tech stuff. Gonna prefer a crystal clear Makrolon used on Noiseblockers. Just as high tech and looks pretty. But I guess Noctua wants to remain known after butt ugly fans. They sure are well known for that...

I think the presented sample is exactly that: a pre-production sample. Hence the ugliness, I think...
 
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#13
I've never had an issue with Noctua's colors. Fine in my book. They do look similar to the way GTs are made though.
 
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#15
Not only they are made using the ugliest color scheme possible in the entire universe, they also make plastic out of recycled plastic containers used to carry around vegetables in the farmer's market, apparently. Look at that ugly cheap looking plastic with random lines in it.
...Sterrox is a liquid crystal polymer of the same family as Kevlar
I don't think they're using cheap recycled plastic. Quite the opposite it appears.
 
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#16
Noctua stubbornly investing in engineering and product quality instead of following the market trend of investing in marketing, with "gaming" brands and RGB. Whats the point of good performance if their products are unusable, missing gaming-required edgy design guidelines?
And for that exactly reason is why they are the best and along with bequiet fans my choice.
 
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#17
Noctua stubbornly investing in engineering and product quality instead of following the market trend of investing in marketing, with "gaming" brands and RGB. Whats the point of good performance if their products are unusable, missing gaming-required edgy design guidelines?

EDIT: Every one knows, but just to make sure... Im being sarcastic here.
I was hoping for that ;)
 
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#18
These look way too much like my Gentle Typhoons to be good for my wallet...
 
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#19
Why must everything be poop brown. Why can't they do the Grey color they use for Rev 2 stuff?
Well, ther's the linustechtips edition that is in orange. I don't know if that's better.
 

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#20
Why must everything be poop brown. Why can't they do the Grey color they use for Rev 2 stuff?
Nothing wrong with poop, means money for me :p:laugh:

I like the fact that they stick with their color scheme- color doesn't bother me a bit as long as they keep making quality products
 
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#21
Huh, did Nidec's patent on GT's run out?
 
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#23
Nothing wrong with poop, means money for me :p:laugh:

I like the fact that they stick with their color scheme- color doesn't bother me a bit as long as they keep making quality products
Couldn't agree more!

This video by Crit explains these new fans much better:
Thanks, dude: educational.
 
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#24
And the fact that the fan blades are more rigid means they don't suffer microscopic wobbles and vibrations on the surface when spinning - hence, quieter.

This is not accurate, it could even be the opposite.
 
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#25
And the fact that the fan blades are more rigid means they don't suffer microscopic wobbles and vibrations on the surface when spinning - hence, quieter.

This is not accurate, it could even be the opposite.
How so???