Arctic P14 PWM PST / ACFAN00125A

Quick overview from the supplier:

Case/CPU FAN Arctic P14 PWM PST, Pressure-optimised Fan with PWM PST, Black/Black, 140x140x27 mm, 4-pin, 200-1700rpm, Noise 0.3 Sone (@ 1700 RPM), 72.8 CFM (123.8 m3/h) (ACFAN00125A)