Noctua NF-B9 Review
hardnrg - June 23, 2008» Discuss this article (0)
Specifications
| Size | 92x92x25 mm |
| Bearing | SSO-Bearing |
| Blade Geometry | NF-B9 Blade Design with BBT & VCN |
| Rotational Speed (+/- 10%) | 1600 RPM |
| Rotational Speed with L.N.A. (+/- 10%) | 1300 RPM |
| Rotational Speed with U.L.N.A. (+/- 10%) | 1000 RPM |
| Airflow | 64.3 m³/h |
| Airflow with L.N.A. | 52.6 m³/h |
| Airflow with U.L.N.A. | 41.1 m³/h |
| Acoustical Noise | 17.6 dB(A) |
| Acoustical Noise with L.N.A. | 13.1 dB(A) |
| Acoustical Noise with U.L.N.A. | 7.9* dB(A) |
| Static Pressure | 1.61 mm H2O |
| Static Pressure with L.N.A. | 1.09 mm H2O |
| Static Pressure with U.L.N.A. | 0.64 mm H2O |
| Input Power | 1.32 W |
| Input Current | 0.11 A |
| Voltage Range | 12 V |
| MTBF | > 150,000 h |
| Scope of Delivery |
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| Warranty | 6 years |
*extrapolated values
Features
- Bevelled Blade Tips
Due to advanced design measures like the bevelled blade tips, the NF-B9 is surprisingly quiet despite its outstanding airflow and pressure performance. - Vortex-Control Notches
Psychoacoustic optimizations like the Vortex-Control Notches make the NF-B9's noise pattern more pleasant to the human ear. - Smooth Commutation Drive
The new SC drive system reduces torque variations and thereby ensures improved running smoothness, particularly at lower speeds. - Self-stabilizing oil-pressure bearing
Noctua's well proven SSO-Bearing technology guarantees supremely quiet operation and exceptional long-term stability.
