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A Noctua Fan Overview – 40mm to 200mm Varieties!

Posted December 31, 2017 by Brendan van Varik in Cooling




Strong airflow at extremely quiet noise levels, but we all pretty much knew that already, Great Quality


Color Scheme may not appeal to all
If you can afford the premium price that comes attached with Noctua products, and you don't mind their browny-beige color scheme, then they are absolutely one of the best fan makers in the world.
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by Brendan van Varik
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Anyone who has ever built a PC in recent years has, with no doubt heard of Noctua and more likely than not, has at least checked out some of their products. Today is going to be an overview of various fans that they have on offer for different purposes, and they will range from 40mm through 200mm – yep, a huge variety in terms of sizing! We have had the pleasure of looking at some of Noctua’s fan offerings in the past – both fans and coolers alike – and we are fans (get it!?) of their products.

In today’s lineup, we have everything ranging from 5v 40mm fans that spin at an obnoxious 5000 RPM to some PWM based 200mm airflow behemoths. Noctua graciously provided us with some of their finest samples in the form of these following fans;

  • NF-A4x20 – 5v
  • NF-A4x20 – 5v PWM
  • NF-A4x20 – FLX
  • NF-A4x20 – PWM
  • NF-A12x15 – FLX
  • NF-A12x15 – PWM
  • NF-A20 FLX – 200x30mm
  • NF-A20 PWM – 200x30mm

Quite the array of fans, I’d say. Noctua also gave us one of their little fan testers. It isn’t available to the general public (sorry!) but it will prove useful for both today’s review and future reviews.

I feel that a small insight into Noctua’s ‘FLX’ branding is in order, so what does it mean? FLX is short for flexibility – in other words, you can tune it to your own liking with various included voltage reduction cables. In doing so, you are able to raise/lower the operating voltage, and therefore affect the noise ratio in its respective way. Noctua’s FLX varieties all come with their various voltage reduction cables, then you’ve also got the option (on newer motherboards at least) to control them in the UEFI by voltage rather than PWM. Remember, FLX is a 3-pin design, no PWM here.

I won’t continue to drag on the introduction for as long as I possibly can, but I will leave you with a little bit of Noctua’s history anyway.

Noctua originates from a collaboration between the Austrian Rascom Computerdistribution Ges.m.b.H. and the Taiwanese cooling specialist Kolink International Corporation, pooling more than thirty years of experience in the development, manufacturing and marketing of high-end cooling components. Established in 2005, Noctua took international silent enthusiasts’ hearts by storm and quickly developed into one of the most acclaimed suppliers of premium quality quiet cooling products. Today, Noctua is present in more than 30 countries across the globe and working with several hundred sales partners. Chosen by noise-conscious PC users, system integrators and industry clients alike, Noctua has become synonymous with impeccable quality, excellent customer service and class-leading quiet cooling performance. You can read more here.




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