Noctua fan NF-A12x25 G2 PWM Sx2-PP chromax.black

Noctua NF-A12x25 G2 PWM Sx2-PP chromax.black — top air cooler

For users looking for maximum cooling and quiet operation, the Noctua NF-A12x25 G2 PWM Sx2-PP chromax.black fan set is the ideal solution. This set of two 120mm fans is designed for Push-Pull configurations, which allows for effective cooling even in demanding builds, such as radiators for water cooling or thick processor passives. Thanks to the innovative Sterrox® LCP material and the narrow clearance between the blades and the frame only 0.7 mm, the fans achieve uncompromising static pressure, necessary for optimal cooling. In addition, the built-in electronic speed control (offset +/-25 RPM) eliminates resonances and disturbing acoustic phenomena. These features, together with the modern design of chromax.black, set them apart from the competition.

Optimization for Push-Pull Configuration

The fans in this set are specially optimized for Push-Pull configuration, where one fan draws in air and the other pushes it out. This configuration improves airflow, which is crucial for radiators and dense coolers. The speed offset between the fans minimizes the risk of resonance, ensuring quiet and smooth operation even in tight installations.

Advanced Design and Materials

Noctua fans are made of a unique polymer Sterrox® LCP, which offers exceptional mechanical stability even at high speeds of up to 2000 RPM. Thanks to the extremely narrow clearance between the blades and the frame (0.7 mm), the fans achieve high static pressure of up to 2.97 mm H2O, which is essential for effective cooling of radiators. This blade geometry with Progressive-Flow Channels (G2) technology ensures optimal airflow and reduces noise.

Quiet operation and customization

Thanks to the second-generation SSO2 bearings and the use of Low-Noise Adapters (L.N.A.), the fans are able to keep noise to a minimum — only 16.8 dB(A) at reduced speeds. In addition, the package includes replaceable anti-vibration pads in several colors that allow for visual customization of the assembly. The integrated radiator gasket NA-AVG2-Ch helps eliminate air leaks, further increasing cooling efficiency.

Technical data

• Maximum speed: 2000 RPM (with L.N.A.: 1650 RPM)
• Maximum air flow: 101.1 m³/h (with L.N.A.: 84.5 m³/h)
• Static pressure: 2.97 mm H2O (with L.N.A.: 2.07 mm H2O)
• Acoustic noise: 21.4 dB(A) (with L.N.A.: 16.8 dB(A))
• Connector: 4-pin PWM
• Mounting hole spacing: 105 × 105 mm

Package contents

• 2× Noctua NF-A12x25 G2 PWM chromax.black fan
• 2× Low-Noise adapter
• 2× extension cable
• 1× PWM Y-cable
• 8× replaceable anti-vibration pads (multiple colors)
• 2× radiator gaskets NA-AVG2-Ch