NOCTUA 40MM NF-A4X20 PWM 5000RPM FAN
Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctuas AAO frame, the NF-A4x20 is a highly optimized, premium-quality quiet fan in size 40x20mm. The PWM version sports Noctuas custom-designed NE-FD1 IC for fully automatic speed control via 4-pin fan headers and comes with a Low-Noise Adapter as well as an OmniJoin Adapter 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.
Frame technology: Advanced Acoustic Optimization (AAO)
Fan width: 40mm
Fan depth: 20mm
Bearing type: SSO2
1 x Noctua 40mm NF-A4x20 PWM 5000RPM Fan
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