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NilZilch
> 24 hourI just had a fan fail. It was one that came with the case. Sleeve bearings just suck. But, I had installed a Noctua with the CPU cooler, and its been cruising along nicely. So, Noctua was a natural brand choice to replace the cheap-ass sleeve-bearing fan that failed.
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Kindle Customer
> 24 hourNo air flow
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drunkspider
> 24 hourThese fans are quiet on their own, but to me at least they have a slight annoying hum at full speed. This is easily solved with the low noise adapters installed, but low noise means low RPM. Although I will admit even with the low low noise adapters installed, this fan seems to blow more air [slightly] than the 900RPM model. Also not a big deal if you install many of these fans in your computer case.
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John
> 24 hourwould buy again
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GPbo
> 24 hourI dont want to pay $100 for 2 fans from other brands. So these series meet my need perfectly, at the same time deliver top notch quality. If you havent heard of Noctua, now is the time to order some.
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MPhilson
> 24 hourFantastic fan. So quiet and yet pushes so much air. I added it to my case with my other fans and I cant wait for the others to quit so I can replace them with these. Good job Noctua on a quality fan for a great price that does the job perfectly!
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Michael
> 24 hourI needed a replacement for a case fan and I was happily surprised with its performance. I got this fan for $13 and with its silent operation I can say it’s a great option for the price, classic Noctua. Colors leave a little to be desired, along with the ketchup and mustard cables, but at the end of the day performance is more important than appearance.
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Vic
> 24 hourMy previous case fans had leds which looks nice but performed so badly. After replacing them with NF-S12Bs the noise has gone down and CPU temps have gone down. I paired these with the NH-U14S for optimal airflow and Im thoroughly pleased. Plus the simple color design actually makes everything look better compared to cheap led fans.
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Malcontent
> 24 hourVERY quiet compared to my other fans, and the high flow blade design is a great option. It runs at reasonably high speeds, so its quietness is not created just by reducing the maximum speed. And its a reasonable price for a premium fan. I expect Ill stock up on these for my next build!
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Gregory Pluta
> 24 hourgreat fan, works well and very quiet