The Arctic P14 PWM PST 140mm Case Cooling Fan (ACFAN00125A) is optimized for static pressure, guaranteeing efficient cooling even with increased air resistance. It features a 0 dB mode with zero rpm, PWM regulation, and a high-quality bearing for reduced friction and noise. The fan has a maximum quietness and minimum vibration, with a 6-year manufacturer's guarantee. It can be installed in two ways, blowing warm air out or drawing cool air in, and is suitable for use on heatsinks and radiators.