- 1200 RPM +/-10% 1050 RPM +/-10% (with L.N.A adapter) 900 RPM +/-10% (With U.L.N.A) 115.5 m3/h (standard) 101.9 m3/h ( w/L.N.A. ) 88.7 m3/h ( w/U.L.N.A. )
- SSO2-Bearing (Self-stabilising oil-presure bearing)
- 19.2 dB(A) standard 16.4dB(A) (w/ L.N.A ) 13.8dB(A) (w/U. L.N.A )
- $32.99 32.99
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Good fan, but hums louder than I expected. 06/10/2013
This review is from: Noctua NF-A14 FLX 140mm Case Fan
I won't bother to repeat all the good things you can read elsewhere, but I will say that the noise it does make is at least pleasant sounding.
Not as quiet as I'd hoped, at full-speed. I won't deduct a star for that, since I don't know if there's anything quieter that produces a similar amount of airflow.
I bought this because I wasn't satisfied with the Cougar CF-V14HB I used to replace the LED intake fan in my new PC (Lian Li PC-60FN case). Both the Cougar and Noctua fans have similar airflow specs and actually turned out to emit a similar amount of noise, to my ears, when I compared them side-by-side (both at full speed). I do prefer the Noctua, as the Cougar has more of a buzzing/whining character. It might be that the Cougar's blades are quieter, while the Noctua has a quieter motor.
Both fans are basically new, so perhaps the Cougar would have gotten better after some break-in period. Although, I should note that, when I held the spinning Cougar fan in my hand, it seemed out of balance. I think that could affect its lifespan. My 120 mm Cougar (bought at the same time) is also like that, so it might be due to an actual design flaw, rather than just poor production tolerances.
In the end, the Noctua wolud be my preference, though the overall difference isn't huge. If you're planning to use them at lower speeds, the Noctua might be significantly quieter, since I assume the Cougar's motor noise will simply change in pitch but not volume.
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