Noctua NF-A9 2000RPM PWM - pcpromaroc
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Noctua NF-A9 2000RPM PWM

350,00 DH
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DIMENSIONS 9.2 cm
RPM MAX 2000 
LED
TECHNICAL DATA:

The NF-A9 is a highly optimized and high quality 80mm silent fan, as it has the Noctua AAO (Advanced Acoustic Optimization) frame and the characteristics of a sophisticated aerodynamic design, such as the Flow Acceleration Channels. Accelerated Circulation), the NF-A9 improves the recognized silent cooling performance of the NF-B9, which has been so awarded. The PWM version uses the NE-FD1 IC specially designed by Noctua for fully automatic speed control via 4-pin fan connectors and is provided with a Noise Reduction Adapter that reduces the maximum speed from 2000 to 1550 rpm during the PWM control Its smooth and quiet operation,

Accelerated circulation channels

The rotor of the NF-A9 has Flow Acceleration Channels on the suction side. By increasing the speed of the air flow in the outer crucial regions of the blades, this measure reduces the separation of the flow on the suction side and thus resulting in greater efficiency and lower vortex noise

AAO frame

The frames with Advanced Acoustic Optimization AAO (Advanced Acoustic Optimization) of Noctua have integrated anti-vibration panels in addition to proprietary Noctua technologies such as Stepped Inlet Design (step input design) and Inner Surface Microstructures (internal surface microstructures) that perfect fan noise performance efficiency

Step Entry Design

The Noctua Stepped Inlet Design adds turbulence to the inflow to facilitate the transition from laminar flow to turbulent flow, which reduces the tonal input noise, improves the adhesion of the flow and increases the flow suction capacity, especially in confined space environments

Internal Surface Microstructures

When the tips of the fan blades pass through the delimiter layer created by the Inner Surface Microstructures, the separation of the flow with respect to the suction side of the blades is significantly suppressed, reducing the blade rotation noise and improving the air flow and pressure efficiency

Integrated Anti-Vibration Panels

Integrated Anti-Vibration Panels made of extra soft silicone that minimize the transmission of small vibrations while maintaining full compatibility with all standard screws and other mounting systems.

SSO2 bearings

The NF-A9 has the recognized Noctua second generation SSO optimized bearings. With SSO2, the rear magnet is located closer to the shaft to provide greater stability, precision and durability.

Soft Switching Unit

With full support for automatic PWM speed control, the NF-A9 PWM uses the new Noctua-designed NE-FD1 PWM IC that integrates with Smooth Commutation Drive (SCD). By providing smoother torque pulses, the SCD decreases the noise of PWM shifts and makes the fan run quieter at low speeds

Noise Reduction Adapter

The NF-A9 PWM comes with a Low-Noise Adapter LNA (noise reduction adapter) that reduces the maximum fan speed from 2000 to 1550 rpm. The LNA can be used both to use the fan at a fixed speed of 1550 rpm and to set a maximum speed when using the automatic PWM control.

Extensible Wiring Options

The 20cm main short cable of the fan minimizes the cable mess in typical situations while the supplied 30cm extension cable allows extra reach when necessary. Both cables are fully lined.

Specifications:

  • Dimensions 92x92x25 mm
  • 4-pin PWM connection
  • SSO2 bearing
  • Series A blade geometry with flow acceleration channels
  • AAO (Advanced Acoustic Optimization) Frame Technology
  • Rotation speed (+/- 10%) 2000 RPM
  • Rotation speed with LNA (+/- 10%) 1550 RPM
  • Rotation speed min. (PWM, +/- 20%) 400 RPM
  • Flow rate 78.9 m³ / h
  • Flow rate with LNA 62.6 m³ / h
  • Loudness 22.8 dB (A)
  • LNA loudness 16.3 dB (A)
  • Static pressure 2.28 mm H2O
  • Static pressure with LNA 1.53 mm H2O
  • Max. 1.2 W
  • Max. 0.1 A
  • 12V voltage
  • MTBF> 150,000 h
  • Delivery volume
    • Noise Reduction Adapter (LNA)
    • 4-pin Y-shaped cable
    • 30 cm extension cable
    • 4 Vibration-Compensators
    • 4 vent screws
A030394
2 kg

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