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NOCTUA NF-A9 PWM

NOCTUA NF-A9 PWM

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Данный товар закончился на складе.

Последняя цена
10.01.2017

23,20 €

Производитель: NOCTUA
Код производителя: NF-A9-PWM
Гарантия: 12 месяцев


Описание
Succeeding the awardwinning NFB9 Noctua's NFB9 fan has become a defaultchoice among PC enthusiasts looking для a premium quality quiet 92mm fan. Thanks to its thoroughgoing aerodynamic optimisations the NFA9 provides higher static pressure and an even better airflow/noise ratio than its much acclaimed predecessor. Flow Acceleration Channels The NFA9 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. AAO Frame Noctua's AAO Advanced Acoustic Optimisation frames feature integrated antivibration 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. Innner 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. LowNoise Adaptor The NFA9 PWM is supplied with a LowNoise Adaptor L.N.A. that reduces the maximum fan speed from 2000 to 1550rpm. The L.N.A can be used either to run the fan at a fixed speed of 1550rpm or to cap the maximum speed when using automatic PWM control. SSO2 Bearing The NFA9 features the further optimised second generation of Noctua's renowned timetested SSO bearing. With SSO2 the rear magnet is placed closer to the axis to provide even better stabilisation precision and durability Custom designed PWM IC with SCD Supporting fully automatic PWM speed control the NFA9 PWM uses Noctua's custom designed NEFD1 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. 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 4pin ycable allows to connect a second fan to the same PWM fan header для automatic control. Integrated AntiVibration Pads Integrated AntiVibration Pads made from extrasoft silicone minimise the transmission of minute vibrations while maintaining full compatibility with all standard screws and other mounting systems. 6 years manufacturer's warranty Noctua fans are renowned для their impeccable quality and outstanding longevity. Like all Noctua fans the NFA9 PWM features an MTBF rating of more than 150.000 hours and comes with a full 6 years manufacturer's warranty.

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