The Noctua NF-A14 FLX is a high-performance 140mm fan designed to offer premium airflow with ultra-low noise levels and flexible speed configuration. Engineered with Noctua’s advanced aerodynamic technologies and SSO2 bearing system, it delivers superior thermal performance while maintaining a nearly silent acoustic profile, making it ideal for case ventilation and CPU cooling alike.

Key Features:

• FLX version with 3-speed settings via bundled Low-Noise (L.N.A.) and Ultra-Low-Noise (U.L.N.A.) adapters

• Flow Acceleration Channels and AAO (Advanced Acoustic Optimization) frame for improved efficiency

• Designed with a square frame for optimal use on radiators and as intake/exhaust case fan

• Premium-grade SSO2 bearing for exceptional reliability and long lifespan

• Integrated anti-vibration pads and extensive accessory bundle

Specifications:

• Dimensions: 140 x 140 x 25 mm

• Weight: 200 g

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

• Connectivity / Compatibility: 3-pin fan header

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

• Max Rotational Speed:
  – 1200 RPM (without adapter)
  – 1050 RPM (with L.N.A.)
  – 900 RPM (with U.L.N.A.)

• Max Airflow:
  – 115.5 m³/h (without adapter)
  – 96.6 m³/h (L.N.A.)
  – 88.7 m³/h (U.L.N.A.)

• Acoustical Noise:
  – 19.2 dB(A)
  – 16.4 dB(A) (L.N.A.)
  – 13.8 dB(A) (U.L.N.A.)

• Static Pressure:
  – 1.51 mm H₂O
  – 1.18 mm H₂O (L.N.A.)
  – 1.02 mm H₂O (U.L.N.A.)

• Input Power: 0.96 W

• Operating Voltage: 12V

Additional Features:

• Includes Low-Noise and Ultra-Low-Noise Adapters for custom speed tuning

• Polarity protection and soft start for motherboard safety

• 150,000h MTTF backed by Noctua’s 6-year manufacturer guarantee

• Ideal for users prioritizing silent operation without sacrificing performance

Customer Benefits:
Whether you’re optimizing airflow in a quiet build or fine-tuning radiator performance, the NF-A14 FLX offers customizable speed control and unmatched acoustic refinement in a durable, long-life package trusted by enthusiasts and professionals alike.

What’s in the Box:

• NF-A14 FLX Fan

• Low-Noise Adapter (L.N.A.)

• Ultra-Low-Noise Adapter (U.L.N.A.)

• 3:4-pin Molex Adapter

• 30cm Extension Cable

• 4x Vibration-Compensated Fan Screws

• 4x Standard Fan Screws

Compliance:
This product complies with all major international safety and environmental standards (CE, RoHS, REACH). It is engineered for safe, quiet, and reliable use in modern computing environments.

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