this post was submitted on 11 May 2024
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I worked with a guy that said "don't tell me you used noctua fans on your 3d printer" I was like ๐ฎ. He really thought they were shit. He's wrong.
For 3D printers, they're subpar.
Noctua fans are typically 12v and tuned for lower speed for lower noise; in 3DP you're generally looking for 24v fans* with the highest CFM:static pressure ratio you can get which will generally mean a louder, higher RPM fan.
They'll work, but you can generally get industrial fans from Delta, Sunon, etc that are a better fit for the application, often for less money.
* - 5v and 12v fans are getting more common simply because they tend to be more available. Preference for high CFM:static pressure holds true regardless.
They're not shit, but a lot of people don't realize that a big reason they're quieter is because they don't spin as fast, therefore they're moving less air. Noctua is typically trading cooling performance for less noise, which can also be achieved by throwing a resistor inline on a non-Noctua fan.
That being said, their motors are higher quality and, at least in my experience, tend to last longer than cheap fans.