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Noctua Nf-A6X15 PWM, Premium Quiet Slim Fan, 4-Pin (60X15Mm, Brown)Description Item model number NF-A6x15 PWM Global Trade Identification Number 09010018100143 Power Connector Type 4-Pin Cooling Method Air Number of Items 1 Noise Level 19.8 Decibels Wattage 1.02 watts Material Fibre-glass reinforced PBT Compatible Devices Desktop Item Weight 3.52 ounces Product Dimensions 2.36"L x 2.36"W x 0.59"H Voltage 12 Volts Maximum Rotational Speed 3500 RPM Brand Noctua Manufacturer Noctua

• Premium quiet fan, 60x60x15 mm, 12V, 4-pin PWM, max. 3500 RPM, max. 19.8 dB(A), >150,000 h MTTF
• Award-winning 60x15mm 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, 3500rpm maximum speed (3050rpm 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

Product description

Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctua’s AAO frame, the NF-A6x15 is a highly optimised, premium-quality quiet fan in size 60x15mm. The PWM version uses 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 3500 to 3050rpm. 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.

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 most other mounting mechanisms.

SSO2 bearing

The NF-A6x15 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-A6x15 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

• 4x NA-AV2 anti-vibration mounts
• NA-EC1 30cm extension cable
• NA-YC1 4-pin PWM splitter cable
• NA-RC14 Low-Noise Adaptor (L.N.A.)
• Fan screws

Custom-designed PWM IC with SCD

Supporting fully automatic PWM speed control, the NF-A6x15 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.