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Noctua NF-A9 FLX 92mm x 25mm Low Noise Premium PC Case Fan 1600 RPM, 17.1 dBA

DESCRIPTION

The NF-A9 is a highly optimised, premium quality quiet 92mm fan. Featuring Noctua’s AAO (Advanced Acoustic Optimisation) frame as well as sophisticated aerodynamic design measures such as Flow Acceleration Channels, the NF-A9 further improves the renowned quiet cooling performance of the award-winning NF-B9. The FLX version provides 1600/1250/1050rpm speed settings via the supplied Low-Noise Adaptors in order to provide full flexibility in fine-tuning the fan for maximum ventilation performance or near-silent operation. Its superb running smoothness, reference-class SSO2 bearing and Noctua’s trusted premium quality make it an elite choice for the highest demands.


Succeeding the award-winning NF-R9

Noctua's NF-B9 fan has become a default-choice among PC enthusiasts looking for a premium quality quiet 92mm fan. Thanks to its thoroughgoing aerodynamic optimisations, the NF-A9 provides higher static pressure and an even better airflow/noise ratio than its much acclaimed predecessor.


Flow Acceleration Channels

The NF-A9 impeller features suction side Flow Acceleration Channels. By speeding up the airflow at the crucial outer blade regions, this measure reduces suction side flow separation and thus leads to better efficiency and lower vortex noise.


AAO frame

Noctua's AAO (Advanced Acoustic Optimisation) frames feature integrated anti-vibration pads as well as Noctua's proprietary Stepped Inlet Design and Inner Surface Microstructures, both of which further refine the fan's performance/noise efficiency.


Stepped Inlet Design

Noctua's Stepped Inlet Design adds turbulence to the influx in order to facilitate the transition from laminar flow to turbulent flow, which reduces tonal intake noise, improves flow attachment and increases suction capacity, especially in space-restricted environments.


Inner Surface Microstructure

With the tips of the fan blades ploughing through the boundary layer created by the Inner Surface Microstructures, flow separation from the suction side of the blades is significantly suppressed, which results in reduced blade passing noise and improved airflow and pressure efficiency.


Intergrated Anti-Vibration Pads

Integrated anti-vibration pads made from extra-soft silicone minimise the transmission of minute vibrations while maintaining full compatibility with all standard screws and other mounting systems.


SSO2 Bearing

The NF-A9 features the further optimised second generation of Noctua's renowned, time-tested SSO bearing. With SSO2, the rear magnet is placed closer to the axis to provide even better stabilisation, precision and durability.


Smooth Commutation Drive 2

The latest version of Noctua's advanced Smooth Commutation Drive system ensures superb running smoothness by eliminating torque variations and switching noises. This makes the NF-A8 remarkably quiet even at very close distances.


3 speed settings for full flexibility

Providing 1650, 1250 and 1050 rpm speed settings via the supplied Low-Noise and Ultra-Low-Noise Adapters, the NF-A9 FLX (Flexibility) can be fine-tuned for superior airflow or maximum quietness.


Extensive cabling options

The fan's short 20cm primary cable minimises cable clutter in typical applications while the supplied 30cm extension provides extended reach when necessary. Both cables are fully sleeved.


6-year manufacturer’s warranty

Noctua fans are renowned for their impeccable quality and outstanding longevity. Like all Noctua fans, the NF-A9 features an MTTF of more than 150.000 hours rating and comes with a full 6-year manufacturer’s warranty.

FEATURES

  • Succeeding the award-winning NF-R8
  • Flow Acceleration Channels
  • AAO frame
  • Stepped Inlet Design
  • Inner Surface Microstructures
  • Integrated Anti-Vibration Pads
  • SSO2 Bearing
  • Smooth Commutation Drive 2
  • 3 speed settings for full flexibility
  • Extensive cabling options
  • 6-year manufacturer’s warranty

    •   

    SPECIFICATIONS

    MPN:
    NOCTUA NF-A9 FLX
    Size:
    92 x 92 x 25 mm
    Mounting Hole Spacing:
    82.5 x 82.5 mm
    Connector:
    3-Pin
    Cable Length:
    20cm + 30cm NA-EC1 extension cable
    Bearing:
    SSO2
    Blade Geometry:
    A-Series with Flow Acceleration Channels
    Frame Technology:
    AAO (Advanced Acoustic Optimisation)
    Rotational Speed (+/- 10%):
    1600 RPM
    Rotational speed with L.N.A. (+/- 10%):
    1250 RPM
    Rotational Speed with U.L.N.A. (+/-20%):
    1050 RPM
    Airflow:
    64.6 m³/h
    Airflow with L.N.A.:
    51.1 m³/h
    Airflow with U.L.N.A.:
    42.9 m³/h
    Acoustical Noise:
    17.1 dBA
    Acoustical noise with L.N.A.:
    11.6 dBA
    Acoustical noise with U.L.N.A.:
    8.4 dBA
    Static Pressure:
    1.62 mm H₂O
    Static pressure with L.N.A.:
    1.04 mm H₂O
    Static pressure with U.L.N.A.:
    0.71 mm H₂O
    Max. Input Power:
    0.84W
    Max. Input Current:
    0.07A
    Operating Voltage:
    12V
    MTTF:
    > 150.000 h
    Scope of Delivery:
    Low-Noise Adaptor (L.N.A.), Ultra-Low-Noise Adaptor (U.L.N.A.), 3:4-Pin Adaptor, 30cm Extension Cable, 4 Vibration-Compensators, 4 Fan Screws
    Warranty:
    6 years
    We offer a 30 Day Money Back Guarantee. If you are unhappy with your purchase for any reason, you can return it to us within 30 days from the date you received it for a full refund. Returned items must be unopened and unused in original undamaged packaging. You are responsible for the cost of returning items back to us unless they are faulty. Software that is open cannot be returned for any reason.
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