The Noctua NF-A9 PWM is a premium 92mm fan engineered for outstanding airflow and quiet performance, featuring full 4-pin PWM control for dynamic speed adjustment. Built on Noctua’s renowned aerodynamic design principles and equipped with SSO2 bearings, it provides superior thermal efficiency and exceptional reliability for compact PC builds, CPU coolers, and other noise-sensitive environments.

Key Features:

• 4-pin PWM support for automatic fan speed regulation

• AAO (Advanced Acoustic Optimization) frame with Flow Acceleration Channels

• SSO2 bearing for ultra-low noise and extended lifespan

• Compact 92mm size for excellent compatibility in SFF and airflow-constrained setups

• Includes Low-Noise Adapter (L.N.A.) for even quieter operation

Specifications:

• Dimensions: 92 x 92 x 25 mm

• Weight: 100 g

• Materials: Fiberglass-reinforced polyamide (PA-GF)

• Connectivity / Compatibility: 4-pin PWM fan header

• Bearing: SSO2 (Self-Stabilising Oil-pressure Bearing)

• Max Rotational Speed: 2000 RPM

• Max Rotational Speed with L.N.A.: 1550 RPM

• Max Airflow: 78.9 m³/h

• Acoustical Noise: 22.8 dB(A)

• Acoustical Noise with L.N.A.: 16.3 dB(A)

• Static Pressure: 2.28 mm H₂O

• Input Power: 1.2 W

• Voltage Range: 12V DC (typical), PWM regulated

Additional Features:

• Smooth Commutation Drive (SCD) for minimal PWM switching noise

• Integrated anti-vibration pads reduce transmission of noise to the chassis

• Ideal for CPU coolers like Noctua’s NH-U9 series or as case fans in ITX builds

• 150,000h MTTF for long-term operation

Customer Benefits:
Perfect for users looking to enhance airflow in confined spaces without sacrificing silence, the NF-A9 PWM offers dynamic control and superior acoustics in a small but powerful form factor. Whether cooling a compact tower cooler or enhancing case ventilation, it ensures a stable and silent system.

What’s in the Box:

• NF-A9 PWM Fan

• Low-Noise Adapter (L.N.A.)

• 4-pin Y-Cable

• 30cm Extension Cable

• 4x Vibration-Compensated Fan Screws

• 4x Standard Fan Screws

• User Manual

Compliance:
Meets all applicable CE, RoHS, REACH, and WEEE standards. Designed and tested for long-term performance, noise control, and environmental responsibility.

Manufacturer Contact:
Company Name: Noctua
Address: Industriestrasse 12, 6020 Innsbruck, Austria
Email: support(at)noctua(dot)at