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 The NF-A8 is a highly optimised, premium quality quiet 80mm fan. Featuring Noctua’s AAO (Advanced Acoustic Optimisation) frame as well as sophisticated aerodynamic design measures such as Flow Acceleration Channels, the NF-A8 further improves the renowned quiet cooling performance of the award-winning NF-R8. The ULN version provides super-slow 1400/1100rpm speed settings for ultra-low-noise applications and highly noise sensitive users who demand near-silent operation. Its superb running smoothness, reference-class SSO2 bearing and Noctua’s trusted premium quality make it an elite choice for the highest demands.