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Noctua 140mm fans

Noctua intros NF-A14 series, NF-A15 PWM 140mm fans

Noctua released three new 140mm fans that come with SSO2 bearing and 6 years warranty- 2 of the few Noctua’s speciality when it comes to fans. Two of the Noctua fans are NF-A14 and the other NF-A15.

On a Personal note, Having recently acquired the smaller siblings- NF-F12 from Roshan I can’t wait to see how these fans perform with one of the closed loop liquid coolers I have. But if the past track record is to be followed, these will be absolutely amazing.

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The fans that are introduced are NF-A14 FLX, NF-A14 ULN and NF-A15 PWM 140mm fans within their “A-series” quiet fans.

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Like NF-A4x10, NF-A6x25 and NF-A9x14, the new 140mm models feature Noctua’s novel AAO frames and their signature Flow Acceleration Channels which- as said by Noctua- reduces boundary layer separation and improves aerodynamic efficiency. The NF-A15’s round frame features 120mm mounting holes (105mm spacing) and has been enlarged to a width of 150mm in order  for providing better performance for high-end CPU coolers, the NF-A14 models’ square shape and 140mm mounting holes (124.5mm spacing) make them ideal for use on water-cooling radiators or as an upgrade for 140mm case fans.

Tailor-made for use on CPU coolers, the NF-A15 PWM comes with Noctua’s custom designed NE-FD1 PWM IC for fully automatic speed control. The NF-A14 comes in FLX and ULN versions with 1200/1050/900 and 800/650 speed settings for full flexibility in quiet to ultra-quiet case and radiator cooling.

Like all new A-series fans, the NF-A15 and NF-A14 use a novel aerodynamic design measure called Flow Acceleration Channels that allows them to significantly improve the airflow to noise performance of conventional, uniform blade shapes. By speeding up the airflow at the crucial outer blade regions, Flow Acceleration Channels reduce suction side flow separation and thus lead to better efficiency and lower vortex noise.

All three fans employ the further optimised second generation of Noctua’s renowned, time-tested SSO bearing as well as Noctua’s AAO (Advanced Acoustic Optimisation) frames that feature integrated anti-vibration pads as well as Noctua’s proprietary Stepped Inlet Design and Inner Surface Microstructures, both of which further refine the fans’ performance/noise efficiency. Like all Noctua fans, the NF-A15 and NF-A14 have an MTBF rating of more than 150.000 hours and come with a full 6 years manufacturer’s warranty.

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