Ultra low noise fan, 80x80x25 mm, 12V, 3-pin Molex, 1400/1100 RPM, max. 10.4 dB (A), >150, 000 h MTTF ^^ Award-winning 80x25mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance ^^ 8cm format is ideal for compact PC cases (HTPC, ITX, Small Form Factor) and other chassis (intake & exhaust), replacement fan for NAS and other devices, etc. ^^ 3-pin ULN version with 1400rpm (1100rpm with supplied Ultra-Low-Noise Adaptor) for serious silent enthusiasts who demand the utmost quietness of operation ^^ Includes anti-vibration mounts, fan screws, Ultra-Low-Noise Adaptor, extension cable and 3:4 -pin adaptor for powering the fan directly from the power supply