Noctua NF-B9 Reviewhardnrg -
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Noctua is an Austrian company that combines industrial experience and knowledge of cooling products, with scientific research in fan technology. This is a recipe for high performance cooling, but with the least amount of noise, which is something Noctua continues to prove possible with each new product.
This time, Noctua enters a 92mm fan into the cooling arena. The claim is that the fan's design gives rise to a high level of airflow and air pressure for its speed. So, even though its RPMs are low, it can provide the same level of performance as faster turning fans, and the NF-B9's lower speed means that the fan produces less noise.
At least, this is the theory that Noctua would have us believe, so let's put the theory to the test!
The box design does not differ from that of Noctua's other fans, and to a certain extent, all their products. You get a cheeky peek at the fan and some of the extras through the clear plastic window, and a summary of the unique aspects of the fan's technology. Each of these aspects is explained briefly on the back of the box, along with the more commonly expected fan specifications.
If you look closely at the top-left corner of the back of the box, you can see a small white triangle that says "OPEN". I haven't noticed this before, but the other Noctua fan boxes I have also have this, and the rear of the box actually opens up to explain Noctua's unique technology even further, with illustrated diagrams and graphs. It's actually pretty cool to see all this information on the box as it answers the question that would be going through a potential buyer's mind, "what's so special about this fan that makes it better than others?"