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If there's a-love-it-or-hate-it aesthetic for PC components, I'd say it's probably Noctua's traditionally beige fans. The company also makes black versions, but they often arrive far later than their pale brown counterparts. There are a lot of very good reasons for that, apparently, and the company has released a breakdown explaining the delay.
In essence, it comes down to Noctua's famously tight production tolerances, a key factor in why its fans usually perform so well. The company also likes an analogy, so try this one on for size:
PC fans are usually made out of injection moulded plastic, and Noctua's are no exception. However, the company appears to take the delicate balance involved in the process more seriously than most, as it min-maxes tip clearance to prevent unwanted leak flows through the gap between the impeller and the frame.
"The flow rate, cooling time, and pressure must be perfectly balanced to ensure the plastic crystallises, cools correctly, and holds its structural integrity and dimensional precision," says the Noctua. "When you introduce a new variable, like colouring pigments, that delicate balance is disrupted."
The level of precision is such that, according to the company, it's "essentially at the absolute limit" of what injection moulding can consistently reproduce. The carbon black colour pigments used in its black models have smaller particle sizes than the beige and brown versions, which means the melt viscosity, heat absorption, and crystallisation behaviour of the polymers are altered.
This potentially means starting from scratch with new moulds for a black model, and perhaps even entirely new tooling to tune the fans to meet Noctua's standards. The company also subjects its new models to long-term high-temperature tests that take a minimum of six months. Add all that together, and you end up with a significant delay.
Or even a change of plans entirely. Noctua put a white version of its fans on hold in 2024, and decided to shift focus to its G2 models instead. And if all this sounds like overengineering to you, consider this: two of our best PC fan picks are Noctua models, including the best overall, the NF-A12x25 G2, and we recommend them for a very good reason.
I used to think Noctua's fan tech was a bit overhyped until I stuck one in as a rear exhaust fan in my rig. It moves a huge amount of air very quietly, and seems lightyears ahead of the one I had before. So, I can say from personal experience that all this attention to detail really does make a difference.
I wish Noctua's models were a bit cheaper overall, but seeing the level of precision involved? Yeah, I get why you're paying extra. Summer's coming, and perhaps a few more Noctua air-movers might make it into my machine before the weather turns. If my wallet can take the strain, anyway.
1. Best overall:
Noctua NF-A12x25 G2
2. Best midrange:
Noctua NF-P12 redux-1700
3. Best budget:
Arctic P12 PWM PST
4. Best RGB:
Corsair iCUE LINK QX120 RGB
5. Best budget RGB:
NZXT F120 RGB Duo
6. Best for radiators
Arctic P12 Pro
