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Noctua NF-A12x25-ULN Cooling Fan

$65.00
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Noctua NF-A12x25-ULN Cooling Fan

Noctua NF-A12x25-ULN Cooling Fan

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Bentley (WA)
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Cockburn (WA)
27/11/2020
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Product Information

PLE Code

PLE-633124

Manufacturer

Noctua

Boxed Weight

0.31kg

Model Number

NF-A12x25-ULN

Warranty

3 Year PLE Standard Return to Base
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Product Description
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 3-pin ULN version provides super-slow 1200/900rpm speed settings for ultra-low-noise applications and highly noise-sensitive users who demand near-silent acoustics. 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.
Product Summary
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.
Providing 1200 and 900 rpm speed settings via the supplied adapter, the ULN (Ultra-Low-Noise) version is tailor made for serious silent enthusiasts who demand super-slow running speeds and utmost quietness of operation.
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.
Product Specifications
Product Description
Noctua NF-A12x25 ULN - case fan
Product Type
Case fan
Package Content
Low-Noise Adaptor (L.N.A.), 3-pin to 4-pin power adapter, silicone gasket, 1 extension cable (30 cm), fan screws, NA-AV2 anti-vibration mounts
Fan Diameter
120 mm
Fan Height
25 mm
Fan Bearing
SSO2 bearing
Rotation Speed
1200 rpm
Air Flow
32.8 cfm
Noise Level
12.1 dBA
Power Connector
3-pin plug
Rated Voltage
12 V
Dimensions (WxDxH)
12 cm x 12 cm x 2.5 cm
Manufacturer Warranty
6 years warranty
Width
12 cm
Depth
12 cm
Height
2.5 cm
Air Pressure
0.82 mm
Rated Current
0.05 A
Power Consumption
0.6 W
Mounting Kit
Included
MTBF
150,000 hour(s)
Service & Support
Limited warranty - 6 years
From the manufacturer
A large marketing image providing additional information about the product Noctua NF-A12x25-ULN Cooling Fan - Additional alt info not provided
This document and other documents provided pursuant are for informational purposes only. The information type should not be interpreted to be a commitment on the part of the Supplier. The Supplier cannot guarantee the accuracy of information presented. The user assumes the entire risk as to the accuracy and the use of this document. This document may include screenshots from the manufacturer's website which may be used for multiple variations of this product. The model number supplied at the top of this page (explicitly specified as "Model Number") is the exact model item you will receive.
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