Premium quiet fan, 40x40x20 mm, 5V, 4-pin PWM, max. 5000 RPM, max. 14.9 dB(A), >150,000 h MTTF.
200mm 5V 5V PWM FLX PWM Chassis Fan Cooling Fan Ultra Quiet Compatible With Noctua NF A20(NF-A20 FLX)
Noctua NF-A6x15 5V PWM, Premium Quiet Slim Fan with USB Power Adaptor Cable, 4-Pin, 5V Version (60x15mm, Brown)
Noctua NF-A6x25 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (60mm, Brown)
Noctua NF-A14 5V PWM, Premium Quiet Fan with USB Power Adaptor Cable, 4-Pin, 5V Version (140mm, Brown)
Noctua NF A4x10 5V PWM Premium Quiet Fan with USB Power Adaptor Cable 4 Pin 5V
Noctua NF-A14 5V PWM, Premium Quiet Fan with USB Power Adaptor Cable, 4-Pin, 5V
