Premium quiet fan, 92x92x25 mm, 12V, 3-pin Molex, 1600/1250/1050 RPM, max. 17.1 dB (A), >150, 000 h MTTF ^^ Award-winning 92x25mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance ^^ Ideal for 9cm CPU coolers (e. g. Noctua NH-U9 (S) & NH-D9L series), compact PC cases (HTPC, ITX, Small Form Factor), replacement fan for NAS and other devices, etc. ^^ 3-pin FLX version provides 1600/1250/1050rpm 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