Now available in a square frame version called NF-P14s (s for square frame) that lends itself to use in case and radiator cooling, the classic NF-P14 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-P14 premium fan. Its industry grade SSO bearing, over 150,000 hours MTBF rating and full six year manufacturer\'s warranty make the NF-P14 redux a proven premium choice that provides trusted Noctua quality at an attractive price point. The 1200rpm PWM version features Noctua\'s proprietary NE-FD1 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-P14 PWM design- Streamlined redux edition- Square 140mm frame- Vortex-Control Notches- Custom designed PWM IC with SCD- Six year manufacturer\'s warrantySpecifications:- Size: 140x140x25 mm- Connector: 4-pin PWM- Bearing: SSO- Rotational Speed ( 10%): 1500 RPM- Min. Rotational Speed (PWM, 20%): 450 RPM- Airflow: 78.6 CFM- Acoustical Noise: 25.8 dB(A)- Static Pressure: 1.91 mm H2O- Max. Input Power: 2.4 W- Max. Input Current: 0.2 A- Voltage: 12 V- MTBF: > 150,000 h- Accessories: Four Fan Screws