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Noctua NF-A12x25-PWM 120mm x 25mm 2000RPM PWM Cooling Fan
$
69
The NF-A12x25 is a highly optimized 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 Optimization) 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. Its superior efficiency, cutting-edge construction and pioneering materials make it an elite choice for the most discerning demands.
Key Selling Points
- Next-generation performance
- Highly optimized P/Q curve for all applications
- Excellent on-application acoustics
- Flow Acceleration Channels
- Ultra-tight tip clearance
- Metal-reinforced motor hub
- Sterrox liquid-crystal polymer compound
- AAO frame
- Stepped Inlet Design
- Inner Surface Microstructures
- Integrated anti-vibration pads
- Anti-vibration gasket for watercooling radiators
- SSO2 bearing
- Metal bearing shell
- Custom-designed PWM IC with SCD
- Smooth Commutation Drive 2
- Low-Noise Adaptor
Product Features
Noctua's 120mm fans such as the NF-F12 and NF-S12A are renowned as being among the best on the market and have received more than 400 awards and recommendations from the international press. With its further improved efficiency and novel, state-of-the-art engineering, the NF-A12x25 represents another step up in performance and manufacturing.
The NF-A12x25's sophisticated aerodynamic design allows for a pressure to airflow (P/Q) curve that is extremely strong in the critical mid-section. This means that the NF-A12x25 is a true jack-of-all-trades with excellent performance in both static pressure demanding and airflow demanding applications.
While many fans produce unpleasant, high-pitched noises when installed in typical applications such as on heatsinks or radiators, the NF-A12x25 has been carefully fine-tuned for optimal on-application acoustics. It produces a smooth, pleasant frequency profile and surprisingly low sound pressure levels (SPL) when working against back pressure.
The NF-A12x25 impeller features suction side Flow Acceleration Channels. By speeding up the airflow at the crucial outer blade regions, this measure reduces suction side flow separation and thus leads to better efficiency and lower vortex noise.
The NF-A12x25 has a record tight tip clearance (distance between the blade tips and the inside of the frame) of only 0.5mm. This highly ambitious design sets a new benchmark for 120mm fans and helps the NF-A12x25 to work more efficiently against back pressure, such as on heatsinks or radiators, by reducing leak flows through the gap between impeller and frame.
The centerpiece of the NF-A12x25's motor hub is made entirely from steel and the axle mount is reinforced with an additional brass structure. In combination, both measures ensure ultimate precision and increased stability in the critical hub area.
The NF-A12x25's impeller is made from Noctua's novel Sterrox liquid-crystal polymer (LCP) compound that features extreme tensile strength, an exceptionally low thermal expansion coefficient and damping characteristics that are ideal for reducing resonance and vibration phenomena in advanced fan-blade designs.
Noctua's AAO (Advanced Acoustic Optimization) frames feature integrated anti-vibration pads as well as Noctua's proprietary Stepped Inlet Design and Inner Surface Microstructures, both of which further refine the fan's performance/noise efficiency.
Noctua's Stepped Inlet Design adds turbulence to the influx in order to facilitate the transition from laminar flow to turbulent flow, which reduces tonal intake noise, improves flow attachment and increases suction capacity, especially in space-restricted environments.
With the tips of the fan blades plowing through the boundary layer created by the Inner Surface Microstructures, flow separation from the suction side of the blades is significantly suppressed, which results in reduced blade passing noise and improved airflow and pressure efficiency.
Integrated anti-vibration pads made from extra-soft silicone minimize the transmission of minute vibrations while maintaining full compatibility with all standard screws and other mounting systems.
The NF-A12x25 includes a silicone gasket that can be used when installing the fan on watercooling radiators or other applications that benefit from a tighter seal with the fan. The gasket helps to damp minute vibrations and to reduce air loss between the fan and the radiator for optimal cooling performance.
The NF-A12x25 features the further optimized second generation of Noctua's renowned, time-tested SSO bearing. With SSO2, the rear magnet is placed closer to the axis to provide even better stabilization, precision and durability.
In order to guarantee the highest possible degree of manufacturing precision, minimum tolerance and excellent long-term stability, the NF-A12x25 sports a CNC milled bearing shell made entirely from brass.
Supporting fully automatic PWM speed control, the fan uses Noctua's custom-designed NE-FD1 PWM IC that integrates Smooth Commutation Drive (SCD) technology. By providing smoother torque impulses, SCD suppresses PWM switching noises and thus makes the fan quieter at low speeds.
The latest version of Noctua's advanced Smooth Commutation Drive system ensures superb running smoothness by eliminating torque variations and switching noises. This makes the fan remarkably quiet even at very close distances.
The NF-A12x25 PWM is supplied with a Low-Noise Adaptor (L.N.A.) that reduces the maximum fan speed from 2000 to 1700rpm. The L.N.A. can be used either to run the fan at a fixed speed of 1700rpm or to cap the maximum speed when using automatic PWM control.
Attributes
Main Specifications
Air Flow
60.1 cfmDimensions (WxDxH)
12 cm x 12 cm x 2.5 cmFan Bearing
SSO2 bearingFan Diameter
120 mmFan Height
25 mmFeatures
Pulse-width modulation (PWM) supportManufacturer Warranty
6 years warrantyNoise Level
22.6 dBAPackage Content
Low-Noise Adaptor (L.N.A.), Y-Split cable, 4 vibration isolators, 1 extension cable (30 cm), fan screwsPower Connector
4-pin fan connectorProduct Description
Noctua NF-A12x25 PWM - case fanProduct Type
Case fanRated Voltage
12 VRotation Speed
450-2000 rpmNoctua NF-A12x25-PWM 120mm x 25mm 2000RPM PWM Cooling Fan
NF-A12x25-PWM-CH-BK-S
NF-A12x25-PWM
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VIC :
Moorabbin
Out of stock
VIC Warehouse
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WA :
Bentley
ETA 2/5/2024
Cockburn
ETA 2/5/2024
Osborne Park
In Stock
WA Warehouse
ETA 29/4/2024
Wangara
ETA 2/5/2024
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PLE Code
PLE-633120Manufacturer
NoctuaBoxed Weight
0.25Model Number
NF-A12x25-PWMWarranty
3 Year PLE Standard Return to Base
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