The Noctua NF-A20 5V PWM is a highly optimized 200mm cooling fan designed for silent operation and reliable performance in 5V-based applications. It features Noctua’s signature aerodynamic innovations, an advanced PWM IC for precise speed control via 4-pin connectors, and industry-grade SSO2 bearing technology. Ideal for silent system builds, home automation enclosures, and custom projects requiring high airflow at low noise levels.

Key Features:

• 200mm large-format fan with Flow Acceleration Channels for superior airflow efficiency

• 5V PWM version compatible with 4-pin headers for dynamic fan speed control

• SSO2 bearing for outstanding longevity and stability

• Low-Noise Adapter and ultra-flexible sleeved cable system

• Includes OmniJoin™ adaptor set for compatibility with proprietary fan headers

Specifications:

• Dimensions: 200 x 200 x 30 mm

• Weight: 330 g

• Materials: Fiberglass-reinforced PBT frame, metal bearing shell

• Connectivity / Compatibility: 4-pin PWM (via supplied adapter), 5V-only operation

• Bearing Type: SSO2 (Self-Stabilizing Oil-pressure Bearing)

• Max Rotational Speed: 800 RPM

• Max Airflow: 146.9 m³/h

• Max Acoustical Noise: 18.1 dB(A)

• MTTF: >150.000 h

Additional Features:

• Anti-vibration pads pre-installed

• Custom-designed PWM IC with smooth speed transitions

• OmniJoin™ adaptor set for custom header compatibility

• Extensive cabling options included for flexible integration

Customer Benefits:
Provides high static pressure and airflow for demanding low-voltage projects while ensuring nearly silent performance. Perfect for HTPCs, network devices, and other 5V-based systems where traditional 12V fans are not suitable.

What’s in the Box:

• NF-A20 5V PWM fan

• 30cm Extension Cable

• 4-Pin to 3-Pin Adapter

• OmniJoin™ adaptor set

• 4x Anti-vibration mounts

• 4x Fan screws

• User Manual

Compliance:
This product meets all applicable European and international standards including CE, RoHS, and REACH. It has been engineered and tested to ensure maximum safety, longevity, and environmental compatibility.

Manufacturer Contact:
Company Name: Noctua GmbH
Address: Josef-Preis-Allee 18, 8020 Graz, Austria
Email: support(at)noctua(dot)at