This product is either discontinued or we cannot get that from suppliers.
Noctua 80mm NF-R8-REDUX-1800, Fan Size 80x80x25 mm, Connector 3-pin, Rotational Speed (±10%)1800 RPM, Airflow 21.1 CFM, Acoustical Noise 9.1 dB(A), Static Pressure 0.67 mm H2O, Voltage 12 V, MTBF > 150,000 h.
The classic NF-R8 is a long-standing favourite among enthusiast users around the world and helped to found Noctua’s reputation as a top-tier manufacturer of premium quality quiet cooling components.