Premium quiet fan, 80x80x25 mm, 5V, 4-pin PWM, max. 2200 RPM, max. 17.7 dB(A), >150,000 h MTTF Award-winning 80x25mm A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance 5V 4-pin PWM version (2200rpm maximum speed) with polarity protection for 5V applications with PWM speed control USB power adaptor cable allows the fan to run on devices with USB host ports, power banks or USB power supplies such as those used by smartphones Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connection to proprietary fan headers
