The Noctua NF-A4x10 PWM is a compact, high-performance 40mm cooling fan built for precision airflow in space-constrained environments. Utilizing Noctua’s renowned aerodynamic technologies and a robust SSO2 bearing, this 4-pin PWM version ensures finely-tuned speed control and low-noise operation, making it ideal for network devices, embedded systems, and compact enclosures.

Key Features:

• 4-pin PWM version for automatic speed control
• Flow Acceleration Channels and Advanced Acoustic Optimization Frame
• SSO2 bearing for maximum lifespan and smooth operation
• Compact 40x40x10 mm form factor
• Bundled with OmniJoin™ adapter set and Low-Noise Adapter (L.N.A.)

Specifications:

• Dimensions: 40 x 40 x 10 mm
• Weight: ~20 g
• Rotational Speed: 5000 RPM ±10%
• Rotational Speed with L.N.A.: 4400 RPM
• Airflow: 8.2 m³/h
• Airflow with L.N.A.: 6.8 m³/h
• Acoustical Noise: 19.6 dB(A)
• Acoustical Noise with L.N.A.: 14.9 dB(A)
• Static Pressure: 1.78 mmH₂O
• Static Pressure with L.N.A.: 1.32 mmH₂O
• Voltage: 12V
• Connector: 4-pin PWM
• Bearing: SSO2
• MTTF: >150,000 hours

Compatibility:
Suitable for compact and embedded environments including routers, DVRs, NAS units, and HTPCs. Compatible with standard 4-pin PWM fan headers.

Additional Features:

• OmniJoin™ adapter set for custom 2-pin fan headers
• 30cm extension cable included
• Vibration-isolating mounts and fan screws included
• Designed for high reliability in 24/7 operation

Customer Benefits:
Offers precise cooling and ultra-quiet performance in tight spaces where traditional fans fail. Ideal for users upgrading noisy stock fans in critical electronics.

What’s in the Box:

• NF-A4x10 PWM fan
• Low-Noise Adapter (L.N.A.)
• OmniJoin™ adapter set
• 30cm extension cable
• 4x anti-vibration mounts
• 4x fan screws

Compliance:
This product meets all applicable European and international standards (CE, RoHS, REACH, WEEE, etc.). It has been designed and tested for maximum safety, performance, and environmental responsibility.

Manufacturer Contact:
Company Name: Noctua
Address: Noctua Produktions GmbH, Lastenstraße 19, 4020 Linz, Austria
Email: support(at)noctua(dot)at