noctua NF-A14 5V PWM premium-quality quiet 140mm fan

The NF-A14 5V PWM is a PWM-enabled 5V variant of Noctua's award-winning, premium-quality NF-A14 140mm fan. Featuring an AAO (Advanced Acoustic Optimisation) standard frame and sophisticated aerodynamic design measures such as Flow Acceleration Channels, the NF-A14 is renowned for its superior performance and outstanding quietness of operation. Smooth Commutation Drive technology and Noctua's reference class SSO2 bearing guarantee superb running smoothness and excellent long-term stability. Topped off with the included USB power adaptor cable, OmniJoin adaptor set and 6-year manufacturer's warranty, the NF-A14 5V PWM is a premium choice for demanding 5V applications that require PWM control.Attention: Being a 5V fan, the NF-A14 5V cannot be run at 12V and will be damaged when used with typical 12V power sources such as PC motherboard fan headers.