
Noctua NF-A12x25 PWM Is a Sophisticated Upgrade over its Previous Iteration, and is a true all-rounder that yields superb results in all types of usage, regardless of its area of usage
Features
The NF-A12x25 is a highly optimised next-generation 120mm fan that integrates Noctua’s latest innovations in aerodynamic engineering in order to achieve an unprecedented level of quiet cooling performance. It takes state-of-the-art technologies such as the AAO (Advanced Acoustic Optimisation) frame or Flow Acceleration Channels and combines them with a record tight tip clearance of only 0.5mm, which is made possible by using the novel Sterrox® liquid-crystal polymer (LCP) compound as well as a metal-reinforced motor hub and axis for ultimate precision. Following the approach of Noctua’s A-series, the NF-A12x25 is a true all-rounder that yields superb results in all types of usage, regardless of whether it’s in low-impedance, airflow-oriented applications such as case cooling, or high-impedance, pressure-demanding scenarios such as on heatsinks and watercooling radiators. The 4-pin PWM version supports fully automatic speed control via PWM fan headers and comes with a Low-Noise Adaptor to reduce the maximum speed from 2000 to 1700rpm. Topped off with exceptional running smoothness, Noctua’s reference-class SSO2 bearing, a rich bundle of accessories and 6-year manufacturer’s warranty, the NF-A12x25 is a premium-quality product through and through. Its superior efficiency, cutting-edge construction and pioneering materials make it an elite choice for the most discerning demands.
Specifications
| Product Details | |
| Notes & Warning | NF-A12x25 further reading:
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| Fan Specifications | |
| Size | 120x120x25 mm |
| Mounting hole spacing | 105x105 mm |
| Connector & pin-configuration | 4-pin PWM |
| Cable length | 20cm + 30cm NA-EC1 extension cable |
| Bearing | SSO2 |
| Blade geometry | A-Series with Flow Acceleration Channels |
| Frame technology | AAO (Advanced Acoustic Optimisation) |
| Material | Sterrox® LCP |
| Rotational speed (+/- 10%) | 2000 RPM |
| Rotational speed with L.N.A. (+/- 10%) | 1700 RPM |
| Min. rotational speed (PWM, +/-20%) | 450 RPM |
| Airflow | 102,1 m³/h |
| Airflow with L.N.A. | 84,5 m³/h |
| Acoustical noise | 22,6 dB(A) |
| Acoustical noise with L.N.A. | 18,8 dB(A) |
| Static pressure | 2,34 mm H₂O |
| Static pressure with L.N.A. | 1,65 mm H₂O |
| Max. input power | 1,68 W |
| Max. input current | 0,14 A |
| Operating voltage | 12 V |
| Voltage PWM signal | 5 V |
| MTTF | > 150.000 h |
| Scope of delivery |
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| Warranty | 6 years |
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