Noctua NF-A9 PWM 92x92x25

The NFA9 is a highly optimised premium quality quiet 92mm fan. Featuring Noctuas AAO (Advanced Acoustic Optimisation) frame as well as sophisticated aerodynamic design measures such as Flow Acceleration Channels the NFA9 further improves the renowned quiet cooling performance of the awardwinning NFB9. The PWM version sports Noctuas custom designed NEFD1 IC for fully automatic speed control via 4pin fan headers and comes with a LowNoiseAdaptor to reduce the maximum speed during PWM control fro... ...