Noctua NF-A4x20 PWM 40mm Fan

The Noctua NF-A4x20 PWM is a premium-quality 40mm fan designed for optimal cooling performance in compact spaces. Ideal for 1U server applications, network equipment, and other small form-factor systems, it offers exceptional airflow and static pressure while maintaining low noise levels.

Specifications

• Size: 40 x 40 x 20 mm
• Fan Speed: 0 – 5000 RPM (PWM controlled)
• Maximum Airflow: 9.4 m³/h (5.53 CFM)
• Maximum Static Pressure: 2.26 mm H₂O
• Noise Level: Up to 14.9 dB(A)
• Rated Voltage: 12 V DC
• Input Power: 0.46 W (typical), 0.6 W (maximum)
• Input Current: 0.04 A (typical), 0.05 A (maximum)
• Connector: 4-pin PWM
• Weight: 86 g
• Warranty: 6 years

Key Features

• Advanced Bearing Technology: Features Noctua's SSO2 bearing for quieter operation and longer lifespan.
• Optimized Blade Design: Equipped with a pressure-optimized nine-blade design for improved airflow and reduced noise emissions.
• Low-Noise Adaptor (L.N.A.): Includes a Low-Noise Adaptor to reduce the maximum fan speed from 5000 RPM to 4400 RPM, allowing for quieter operation.
• Comprehensive Accessories: Comes with a 4-pin PWM splitter cable, 30cm extension cable, anti-vibration mounts, and fan screws for easy installation.
• High Durability: Built with high-quality components to ensure long-lasting performance.

Package Contents

• 1 x Noctua NF-A4x20 PWM 40mm Fan
• 1 x Low-Noise Adaptor (L.N.A.)
• 1 x 4-pin PWM Splitter Cable
• 1 x 30cm Extension Cable
• 4 x Anti-Vibration Mounts
• 4 x Fan Screws

Recommended Applications

• Cooling for 1U server systems
• Network equipment requiring compact cooling solutions
• Other small form-factor systems with limited space

Keywords

Noctua NF-A4x20 PWM, 40mm fan, PWM control, SSO2 bearing, high static pressure, low noise, compact cooling