The NF-A14 PWM 5V is a special, adjustable via PWM 5V version of Noctua NF-A14 excellent 140mm premium fan. With its AAO (Advanced Acoustic Optimization) frame system and advanced aerodynamic design measures such as Flow Acceleration Channels of NF-A14 achieves superior performance levels with minimal operating noise. The Smooth Commutation Drive technology and the reference-class storage SSO2 offer excellent running smoothness and excellent long-term stability. the whole package is rounded off by a USB power adapter cable and the adapter OmniJoin set - an all-round quality premium solution for demanding applications with 5V PWM control.