Noctua NF-A9 5V PWM, High-Performance Quiet Fan 92mm

Premium quiet fan, 92x92x25 mm, 5V, 4-pin PWM, max. 2000 RPM, max. 22.8 dB(A), >150,000 h MTTF | Award-winning 92x25mm A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance | 5V 4-pin PWM version 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