Quiet fan, 140x140x25 mm, 12V, 3-pin Molex, 1200 RPM, 19.6 dB(A), >150,000 h MTTF Renowned NF-P14s high-end 140x25mm 12V fan, more than 100 awards and recommendations from international computer hardware websites and magazines, hundreds of thousands of satisfied users Highly optimised low-noise design provides outstanding quietness of operation, excellent static pressure and strong airflow (CFM), square frame for water cooling radiators and chassis ventilation 1200rpm 3-pin version with excellent balance of performance and quietness, speed can be controlled with optional NA-SRC10 Low-Noise Adaptors or by reducing voltage Streamlined redux edition: proven Noctua quality at an attractive price point, wide range of optional accessories (anti-vibration mounts, S-ATA adaptors, y-splitters, extension cables, etc.)