Noctua NF A6x25 5V PWM, Premium Quiet Fan, 4 Pin, Version (60mm, Brown)

Premium quiet fan, 60x60x25 mm, 5V, 4-pin PWM, max. 3000 RPM, max. 19.3 dB(A), >150,000 h MTTF Award-winning 60x25mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance 5V 4-pin PWM version (3000rpm maximum speed) with polarity protection for 5V applications with PWM speed control Ideal replacement for noisy or broken 5V 6cm fans in 3D printers, DVRs, NAS, switches, routers, other network and storage devices, etc. Includes anti-vibration mounts, fan screws, extension cable, y-cable and OmniJoin adaptor set for connection to proprietary fan headers