The Noctua NF-A20 FLX is a high-quality 200mm cooling fan designed for ultra-quiet operation in large-format PC cases and airflow-sensitive environments. As part of Noctua’s premium lineup, the FLX variant includes Low-Noise and Ultra-Low-Noise Adapters to offer three speed profiles, allowing users to fine-tune the balance between cooling performance and acoustics. Its square frame and advanced aerodynamic features make it ideal for front or top case ventilation.

Key Features:

• Massive 200mm diameter for high-volume airflow at very low noise levels

• FLX version with 3-speed settings: 800 / 650 / 500 RPM via included adapters

• Square 154x154mm mounting frame ensures case compatibility

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

• SSO2 bearing system for near-silent operation and long lifespan

Specifications:

• Dimensions: 200 x 200 x 30 mm

• Weight: 300 g

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

• Connectivity / Compatibility: 3-pin fan header

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

• Max Rotational Speed:
  – 800 RPM (default)
  – 650 RPM (with L.N.A.)
  – 500 RPM (with U.L.N.A.)

• Max Airflow: 146.9 m³/h

• Acoustical Noise:
  – 18.1 dB(A) (800 RPM)
  – 13.7 dB(A) (L.N.A.)
  – 10.0 dB(A) (U.L.N.A.)

• Static Pressure: 0.71 mm H₂O

• Input Power: 0.96 W

• Voltage Range: 12V DC (typical), 6–13.2V operational

Additional Features:

• Ideal for front intake and top exhaust in large or airflow-focused cases

• Smooth Commutation Drive (SCD) technology for reduced motor noise

• Anti-vibration pads and stepped inlet design enhance acoustic performance

• 150,000h MTTF with premium-grade reliability

Customer Benefits:
Perfect for users building quiet, high-airflow systems, the NF-A20 FLX delivers massive volume cooling at nearly silent levels. Its flexible voltage control allows for silent workstation setups, home theatre PCs, or high-volume air exchange without intrusive noise.

What’s in the Box:

• NF-A20 FLX Fan

• Low-Noise Adapter (L.N.A.)

• Ultra-Low-Noise Adapter (U.L.N.A.)

• 3:4-pin Molex Adapter

• 4x Standard Fan Screws

• User Manual

Compliance:
This product is fully compliant with CE, RoHS, REACH, and WEEE standards. Designed and tested for safety, quiet performance, and environmental responsibility.

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