This product is either discontinued or we cannot get that from suppliers.
Noctua NF-A9-PWM-CH-BK-S 92mm NF-A9 PWM 2000RPM Fan, Connection 4-Pin PWM, Bearing SSO2, Cable Length 1cm + 30cm NA-EC1 extension cable, AAO Frame, Rotation Speed 2000 RPM (400 RPM Min), Airflow 78,9 m³/h, Noise 22,8 dB(A), Static Pressure 2,28 mm H2O, MTTF 150,000 Hours.
The NF-A9 has established itself as a default choice when it comes to premium-quality 92mm fans. The chromax.black.swap edition combines the NF-A9’s signature quiet cooling performance with an attractive all-black design.