NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown)

(With supplied Low-Noise Adaptor). Premium quiet fan, 40x40x10 mm, 12V, 4-pin PWM, max. 5000 RPM, max. 19.6 dB(A).

NF-A4x10 PWM, Premium Quiet Fan would be an excellent fit for computer ventilation systems seeking a low-noise, 40x10mm dimension fan.