Noctua NF-A4x10-1 FLX 4500RPM 40mm Fan

Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctua's AAO frame, the NF-A4x10 FLX is a highly optimised, premium quality quiet fan in 40x10mm size. Smooth Commutation Drive technology and Noctua's reference class SSO2 bearings guarantee superb running smoothness and excellent long-term stability. Topped off with modular cabling, a Low-Noise Adapter and OmniJoin Adapter Set, the NF-A4x10 is a premium choice for the highest demands.