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Noctua NFA4X10FLX 40 x 10mm Fan (NFA4X10FLX)

Noctua NFA4X10FLX 40 x 10mm Fan (NFA4X10FLX)
Regular price: $18.95
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Product Description

Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctua’s AAO frame, the NF-A4x10 FLX is a highly optimised, premium quality quiet fan in 40x10mm size. Smooth Commutation Drive technology and Noctua’s reference class SSO2 bearings guarantee superb running smoothness and excellent long-term stability. Topped off with modular cabling, a Low-Noise Adaptor and OmniJoin Adaptor Set as well as 6 years manufacturer’s warranty, the NF-A4x10 is a premium choice for the highest demands. Features:

Flow Acceleration Channels

  • The NF-A6x25 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.

  • Reduced Motor Hub Size

  • Thanks to its streamlined, compact motor design, the NF-A6x25’s motor hub is smaller than with conventional 6cm fans. This allows for more blade surface area and thus contributes to the NF-A6x25’s superior airflow and pressure performance.

  • 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 Microstructures

  • 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.

  • Integrated 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 mounting systems and fan clips used on heatsinks.

  • 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-A6x25 remarkably quiet even at very close distance.

  • SSO2 Bearing

  • The NF-A6x25 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.

  • 3 speed settings for full flexibility

  • Providing 3000, 2400 and 1600 rpm speed settings via the supplied Low-Noise and Ultra-Low-Noise Adapters, the NF-A6x25 FLX (Flexibility) can be fine-tuned for superior airflow or maximum quietness.

  • Extensive Cabling Options

  • The fan’s short 20cm primary cable minimizes cable clutter in typical applications while the supplied 30cm extension provides extended reach when necessary. Both cables are fully sleeved and the supplied 3:4 pin adaptor allows to connect the fan directly to the power supply.

  • 6 years manufacturer’s warranty

  • Noctua fans are renowned for their impeccable quality and outstanding longevity. Like all Noctua fans, the NF-A6x25 features an MTBF of more than 150.000 hours rating and comes with a full 6 years manufacturer’s warranty.


  • Specifications:


    Size: 40x40x10 mm
    Connector: 3-pin
    Bearing: SSO2
    Blade Geometry: A-Series with Flow Acceleration Channels
    Frame Technology: AAO (Advanced Acoustic Optimisation)
    Rotational Speed (+/- 10%): 4500 RPM
    Rotational Speed with L.N.A. (+/- 10%): 3700 RPM
    Airflow: 8,2 m³/h
    Airflow with L.N.A.: 6,6 m³/h
    Acoustical Noise: 17,9 dB(A)
    Acoustical Noise with L.N.A.: 12,9 dB(A)
    Static Pressure: 1,78 mm H2O
    Static Pressure with L.N.A.: 1,21 mm H2O
    Max. Input Power: 0,6 W
    Max. Input Current: 0,05 A
    Voltage: 12 V
    MTBF: > 150.000 h
    Scope of Delivery: Low-Noise Adapter (L.N.A.)
    3
    Warranty: 6 years