Manufacturer: Noctua. The NF-A8 5V is a dedicated 5V version of Noctuas award-winning, premium-quality NF-A8 80mm fan. Featuring an AAO (Advanced Acoustic Optimisation) standard frame and sophisticated aerodynamic design measures such as Flow Acceleration Channels, the NF-A8 is renowned for its superior performance and outstanding quietness of operation. Smooth Commutation Drive technology and Noctuas 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 manufacturers warranty, the NF-A8 5V is a premium choice for demanding 5V applications.