The Noctua NF-S12A FLX is a premium 120mm fan optimized for maximum airflow and silent operation in case ventilation scenarios. Featuring Noctua’s refined blade geometry and aerodynamic enhancements, it provides excellent performance at ultra-low noise levels. The FLX version includes three speed settings for fine-tuned acoustic and thermal balance, making it ideal for quiet PC builds and airflow-focused configurations.

Key Features:

• Optimized for case airflow with next-gen S-Series blade design

• FLX version offers 1200 / 900 / 700 RPM settings via included adapters

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

• Ultra-quiet operation with outstanding airflow-to-noise efficiency

• SSO2 bearing system for long-term reliability and smooth rotation

Specifications:

• Dimensions: 120 x 120 x 25 mm

• Weight: 140 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 (default)
  – 900 RPM (with L.N.A.)
  – 700 RPM (with U.L.N.A.)

• Max Airflow:
  – 107.5 m³/h (1200 RPM)

• Acoustical Noise:
  – 17.8 dB(A) (1200 RPM)
  – 10.7 dB(A) (U.L.N.A.)

• Static Pressure: 1.19 mm H₂O

• Input Power: 0.96 W

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

Additional Features:

• Includes Low-Noise and Ultra-Low-Noise Adapters

• Anti-vibration pads and aerodynamic frame design reduce resonances

• Excellent for quiet airflow-focused builds

• 150,000h MTTF for long-term use in 24/7 systems

Customer Benefits:
Ideal for users building silent workstations or home PCs, the NF-S12A FLX provides whisper-quiet airflow with flexible tuning options. It’s perfect for cases with mesh panels or as an intake/exhaust fan where static pressure is less critical.

What’s in the Box:

• NF-S12A 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

• User Manual

Compliance:
Fully compliant with CE, RoHS, REACH, and WEEE directives. Built to meet strict international standards for safety, environmental impact, and mechanical endurance.

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