Noctua NF A12×25 5V PWM, Počítačová skříň, Ventilátor, 12 cm,
450 ot/min, 2000 ot/min, 1700 ot/min
Noctua NF A12×25 5V PWM. Vhodné pro: Počítačová skříň, Model:
Ventilátor, Průměr větráku: 12 cm. Barva: Béžová, Červená. Napájecí
zdroj: 1,68 W, Napětí: 12 V, Maximální proud: 0,14 A. Rozměry
ventilátoru (š x h x v): 120 × 120 × 25 mm, Šířka balení: 150 mm,
Hloubka balení: 34 mm. Dodávané kabely: Ventilátor
The NF-A12×25 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-A12×25 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-A12×25 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.
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-A12×25 represents
another step up in performance and manufacturing.
Highly optimised P/Q curve for all applications
The NF-A12×25’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-A12×25 is a true jack-of-all-trades with excellent
performance in both static pressure demanding and airflow demanding
Excellent on-application acoustics
While many fans produce unpleasant, high-pitched noises when installed in
typical applications such as on heatsinks or radiators, the NF-A12×25 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.
Flow Acceleration Channels
The NF-A12×25 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
Ultra-tight tip clearance
The NF-A12×25 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-A12×25 to work more efficiently
against back pressure, such as on heatsinks or radiators, by reducing leak flows
through the gap between impeller and frame.
Metal-reinforced motor hub
The centrepiece of the NF-A12×25’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
Sterrox® liquid-crystal polymer compound
The NF-A12×25’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
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.
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.
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.
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.
Anti-vibration gasket for watercooling radiators
The NF-A12×25 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-A12×25 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
Metal bearing shell
In order to guarantee the highest possible degree of manufacturing precision,
minimum tolerance and excellent long-term stability, the NF-A12×25 sports a CNC
milled bearing shell made entirely from brass.
Custom-designed PWM IC with SCD
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.
Stops at 0% PWM
When the fan is set to 0% PWM duty cycle by the motherboard or PWM fan
controller, it will stop. This makes it ideal for creating setups with
semi-passive cooling that automatically turn the fans off and thus run
completely silent at idle if thermals allow.
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 fan remarkably quiet even at very close distances.
The NF-A12×25 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.
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 a 4-pin y-cable allows the
connection of a second fan to the same PWM fan header for automatic control.
Optional adaptor for 140mm watercooling radiators
Thanks to its superior efficiency, the NF-A12×25 can outperform many 140mm
fans. Combined with the optional NA-FMA1 adaptor frame that allows it to be
installed on 140mm radiators, the NF-A12×25 is a great upgrade for 140mm-based
6-year manufacturer’s warranty
Noctua fans are renowned for their impeccable quality and outstanding longevity.
Like all Noctua fans, the NF-A12×25 features an MTTF of more than
150.000 hours rating and comes with a full 6-year