Noctua NF-A6x25 PWM, Premium Quiet Fan, 4-Pin (60mm, Brown)
Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctua’s AAO frame, the NF-A6x25 is a highly optimised, premium quality quiet fan in 60x25mm size. The PWM version sports Noctua’s custom designed NE-FD1 IC for fully automatic speed control via 4-pin fan headers and comes with a Low-Noise-Adaptor to reduce the maximum speed during PWM control from 3000 to 2100rpm. Its superb running smoothness, SSO2 bearing and Noctua’s trusted premium quality make it an elite choice for the highest demands. 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. Read more Reduced motor hub size Thanks to its streamlined, compact motor design, the NF-A6x25's motor hub is smaller than with conventional 6cm fans. This allows for more blade surface area and thus contributes to the NF-A6x25's superior airflow and pressure performance. SSO2 bearing The NF-A6x25 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. Flow Acceleration Channels The NF-A6x25 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. Scope of Delivery Low-Noise Adaptor (L.N.A.)4-Pin Y-Cable30cm Extension Cable4 Vibration-Compensators4 Fan Screws Read more Custom-designed PWM IC with SCD Supporting fully automatic PWM speed control, the NF-A6x25 PWM 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. Read more NF-A6x25 PWM NF-A6x25 FLX NF-A6x25 5V PWM NF-A6x25 5V Connector 4-pin PWM 3-pin 4-pin PWM 3-pin Voltage 12V 12V 5V 5V RPM Max: 3000 / Min: 550 3000 Max: 3000 / Min: 650 3000 RPM with L.N.A. 2300 2400 - - RPM with U.L.N.A. - 1600 - - Acoustical Noise 19,3 dB(A) 19,3 dB(A) 19,3 dB(A) 19,3 dB(A) Acoustical Noise with L.N.A. 13,7 dB(A 14,5 dB(A) - - Acoustical Noise with U.L.N.A. - 8,2 dB(A) - - Size 60x60x25 mm 60x60x25 mm 60x60x25 mm 60x60x25 mm
Product Features
- Premium quiet fan, 60x60x25 mm, 12V, 4-pin PWM, max. 3000 RPM, max. 19.3 dB(A), >150,000 h MTTF
- Award-winning 60x25mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
- Ideal replacement for noisy or broken 12V 6cm fans in DVRs, NAS, network and storage devices, 3D printers, etc.
- 4-pin PWM version for automatic speed control via 4-pin PWM fan headers, broad 550-3000rpm speed range (2100rpm max. with supplied Low-Noise Adaptor)
- Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and y-cable for running two PWM fans on the same header
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