Noctua 40mm NF-A4x20 FLX 5000RPM Fan

Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctuas AAO frame, the NF-A4x20 is a highly optimised, premium-quality quiet fan in size 40x20mm. The FLX version provides 5000/4400/3700rpm speed settings via the supplied Low-Noise Adaptors and includes the OmniJoin Adaptor Set for easy connection to proprietary fan headers. Its superb running smoothness, reference-class SSO2 bearing and Noctuas trusted premium quality make it an elite choice for the highest demands.

Highlights:

* Frame technology: Advanced Acoustic Optimisation (AAO).
* RPM: 5000.
* CFM: 5.5.
* dBA: 14.9.
* Fan width: 40mm.
* Fan depth: 20mm.
* Bearing type: SSO2.
* Connector: 3Pin.
* Warranty: 6 years.

Do you want to know more? Check out Noctuas product introduction page & infosheet.