0dB Mode - Zero RPM. The speed of the fan can be throttled down to standstill via PWM. PWM signal adjusts fan speed. Antec P12 PWM 12cm 120mm PC Case Fan Black 9 Blade Anti-Vibration 1400RPM 60CFM. 3 x Antec P12 12cm PWM PC Case Fan Black 9 Blades AntiVibration 1400RPM 60.4CFM.
eBay