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. The new redux edition reissues this award-winning model in a streamlined, accessibly priced package that has been reduced to the essential core: the NF-R8 premium fan. Its industry grade SSO bearing, over 150,000 hours MTBF rating and full six year manufacturer\'s warranty make the NF-R8 redux a proven premium choice that provides trusted Noctua quality at an attractive price point. The 1800rpm PWM version features Noctua\'s proprietary NE-FD1 PWM IC for automatic speed control, which allows to strike a perfect balance between high cooling capacity and low noise operation in each given situation.Features:- Proven NF-R8 Design- Streamlined redux edition- Custom designed PWM IC with SCD- SSO-Bearing- Six year warrantySpecifications:- Size: 80x80x25 mm- Connector: 4-pin PWM- Bearing: SSO- Rotational Speed (10%): 1800 RPM- Min. Rotational Speed (PWM, 20%): 325 RPM- Airflow: 31.4 CFM- Acoustical Noise: 17.1 dB(A)- Static Pressure: 1.41 mm H2O- Max. Input Power: 0.72 W- Max. Input Current: 0.06 A- Voltage: 12 V- MTBF: > 150,000 h- Accessories: Four Fan Screws