The Noctua NF-A12x25 PWM represents one of the highest-performance and quietest 120mm fans ever made. Designed for both heatsinks and radiators, it uses Noctua’s proprietary Sterrox® liquid-crystal polymer blades for extreme stability and precision. With a speed range of 450–2000 RPM, it offers up to 60 CFM of airflow while maintaining whisper-quiet acoustics below 22.6 dB(A). The fan’s SSO2 bearing ensures long-term reliability and smooth operation. Backed by Noctua’s signature engineering excellence, the NF-A12x25 is a top choice among enthusiasts for high-end air and liquid-cooling systems.