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The NF-A14 is a premium quality quiet 140mm fan with a square frame that complies with Noctua’s AAO (Advanced Acoustic Optimisation) standard. Its square shape and 140mm mounting holes (124.5mm spacing) make it ideal for use on watercooling radiators or as an upgrade for 140mm case fans. Featuring sophisticated aerodynamic design measures such as Flow Acceleration Channels, the NF-A14 further improves the renowned quiet cooling performance of the award-winning NF-P14. The ULN version provides super-slow 800/650rpm speed settings for ultra-low-noise applications and highly noise sensitive users who demand near-silent operation. Its superb running smoothness, reference-class SSO2 bearing and Noctua’s trusted premium quality make it an elite choice for the highest demands.
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Succeeding the award-winning NF-P14
Noctua’s NF-P14 fan has become a default-choice among PC enthusiasts looking for a premium quality quiet 140mm fan. Thanks to its thoroughgoing aerodynamic optimisations, the NF-A14 provides higher static pressure and an even better airflow/noise ratio than its much acclaimed predecessor.
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Square 140mm frame
The NF-A14’s square 140mm frame with 140mm mounting holes (124.5mm spacing) makes it a premium grade replacement for common 140mm case fans and perfect for use on 140mm water cooling radiators, where its square shape will ensure full coverage and best pressure performance.
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Flow Acceleration Channels
The NF-A14 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.
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AAO Frame
Noctua’s AAO (Advanced Acoustic Optimisation) 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.
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Stepped Inlet Design
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.
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Inner Surface Microstructures
With the tips of the fan blades ploughing 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.
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Integrated Anti-Vibration Pads
Integrated Anti-Vibration Pads made from extra-soft silicone minimise the transmission of minute vibrations while maintaining full compatibility with all standard screws and other mounting systems.
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SSO2 Bearing
The NF-A14 features the further optimised 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 stabilisation, precision and durability.
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Metal bearing shell
In order to guarantee the highest possible degree of manufacturing precision, minimum tolerance and excellent long-term stability, the NF-A14 sports a CNC milled bearing shell made entirely from brass.
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Smooth Commutation Drive 2
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 NF-A14 remarkably quiet even at very close distance.
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2 speed settings for maximum quietness
Providing 800 and 650 rpm speed settings via the supplied adaptor, the ULN (Ultra-Low-Noise) version is tailor made for serious silent enthusiasts who demand super-slow running speeds and utmost quietness of operation.
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Extensive cabling options
The fan’s short 20cm primary cable minimises cable clutter in typical applications while the supplied 30cm extension provides extended reach when necessary. Both cables are fully sleeved and the supplied 3:4 pin adaptor allows to connect the fan directly to the power supply.
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Ultra-Low Power Consumption
Despite of its further improved performance, the NF-A14 ULN consumes only 0.48W of power. This doesn’t only make it eco-friendly but also helps to cut down the electricity bill!
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6 years manufacturer’s warranty
Noctua fans are renowned for their impeccable quality and outstanding longevity. Like all Noctua fans, the NF-A14 features an MTBF of more than 150.000 hours rating and comes with a full 6 years manufacturer’s warranty.
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17.06.2013 - ComputerForum.de NH-U12S
Test verdict: "Noctua platziert mit dem NH-U12S einen vergleichsweise kleinen aber kräftigen Towerkühler auf dem Markt, der zeigt, dass man mit durchdachtem Konzept, hochwertigen Materialien und nahezu perfekter Verarbeitung wesentlich größeren Vertretern aus der Kühlerkonkurrenz durchaus das Fürchten lehren kann. Gerade in etwas beengteren Gehäuseverhältnissen kann der NH-U12S sicherlich ganz groß aufspielen und sollte als Kühler dringend in die engere Wahl genommen werden. Wir kommen nicht umhin, es erneut zu sagen: Gold. Das ist der Award, den Noctua wieder einmal einheimst. Zurecht." (Benedikt Weiß, ComputerForum.de)
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17.06.2013 - Prohardver.hu NH-U12S
Test verdict: "Teljesítményméréseink azt az
eredményt hozták, hogy a kisebb, könnyebb
és valamivel kevesebb helyet foglaló Noctua NH-US12S
képes volt tartani a lépést a Noctua
NH-U14S-val, tehát párharcukban döntő
kérdés lesz az ár. Az NH-U12S nem éppen
olcsó, nagyjából 20 500 forintba kerül,
amit némileg enyhít az a tény, hogy 5
év (gyártónál 6 év)
garanciát kapunk rá, és igazán
minőségi ventilátorral látták el,
ami hosszú ideig működik majd zajosodás
nélkül. Kiváló minősége
és teljesítménye miatt magas ára
ellenére is ajánlott címmel jutalmazzuk a
Noctua NH-U12S-t." (Rudi Oldala, Prohardver.hu)
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