Premium quiet fan, 120x120x25 mm, 12V, 3-pin Molex, 1200/900/700 RPM, max. 17.8 dB (A), >150, 000 h MTTF ^^ Award-winning third-gen 120x25mm S12 fan with Anti-Stall Knobs and Advanced Acoustic Optimisation frame for superior quiet cooling performance ^^ Airflow-optimised design for highly efficient, near-silent ventilation of PC cases and other chassis (intake & exhaust), cabinet cooling, etc. ^^ 3-pin FLX version provides 1200/900/700rpm speed settings via Low-Noise Adaptors to fine-tune the fan for maximum airflow or near-silent operation ^^ Includes anti-vibration mounts, fan screws, Low-Noise & Ultra-Low-Noise Adaptors, extension cable and 3:4 -pin adaptor for powering the fan directly from the power supply