Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown) 40x20mm, Brown

Premium quiet fan, 40x40x20 mm, 12V, 4-pin PWM, max. 5000 RPM, max. 14.9 dB(A), >150,000 h MTTF. Includes anti-vibration mounts, fan screws, extension cable, y-cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers.