Arctic P9 PWM PST 92mm Case Fan 200-3000 RPM 38.83 CFM 12V 4-Pin Black Pack
£25.45
In addition, it has a 0 dB mode for silent operation in IDLE. The speed of the fan can be throttled down to a standstill via PWM. This provides virtually silent operation at all speeds. 200 to 3000 rpm Regulated via PWM.
