Premium quiet fan, 60x60x25 mm, 5V, 3-pin Molex, 3000 RPM, 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 3-Pin 5V version (3000 RPM) with polarity protection for 5V industrial applications. Ideal replacement for noisy or broken 5V 6cm fans in DVRs, NAS, network and storage devices, 3D printers, etc. Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connection to proprietary fan headers