92mm Noctua NF-A9 4-pin 2000/1550rpm Max Fan
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 PWM version sports Noctua’s custom designed NE-FD1 IC for fully automatic speed control via 4-pin fan headers and comes with a Low-Noise-Adaptor to reduce the maximum speed during PWM control from 2000 to 1550rpm. Its superb running smoothness, reference-class SSO2 bearing and Noctua’s trusted premium quality make it an elite choice for the highest demands.
Features
- 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.
- 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.
- 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.
- 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.
Specifications:
- Size: 92×92×25 mm
- Mounting hole spacing: 82,5×82,5 mm
- Connector: 4-Pin PWM
- Bearing: SSO2
- Blade Geometry: A-Series with Flow Acceleration Channels
- Frame Technology: AAO (Advanced Acoustic Optimisation)
- Rotational Speed (+/- 10%): 2000 RPM
- Rotational Speed with L.N.A. (+/- 10%): 1550 RPM
- Min. Rotational Speed (PWM, +/-20%): 400 RPM
- Airflow: 78,9 m³/h
- Airflow with L.N.A.: 62,6 m³/h
- Acoustical Noise: 22,8 dB(A)
- Static Pressure: 2,28 mm H₂O
- Static Pressure with L.N.A.: 1,53 mm H₂O
- Max. Input Power: 1,2 W
- Max. Input Current: 0,1 A
- Voltage: 12 V
- MTTF >: 150.000 h