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Noctua NF-A4x20 FLX

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Noctua NF-A4x20 FLX
Standardspeed controlmagnetic bearingquietcontrol
Type:fan
Suitable for:for case
Fan:⌀ 40 mm, depth 20 mm
Revolutions:before 5000 rpm
Air or liquid cooling — which is better?Which type of cooling to choose depending on the purpose of the PC
Which CPU cooler to choose?Nuances of choosing a CPU cooler that guarantee safety, durability and quiet operation of the PC
All specifications
Specifications NF-A4x20 FLX
Main specs
Featuresfor case
Product typefan
Fan
Number of fans1
Fan size40 mm
Fan thickness20 mm
Bearingmagnetic centring / SSO2 /
Max. RPM5000 rpm
Speed controllermanual
Max. air flow5.54 CFM
MTBF150 K hours
Noise level15 dB
Power source3-pin
General
Mount typesilicone mounts
Dimensions40x40x20 mm
Official Websitenoctua.at
Added to E-Catalogfebruary 2018
Air or liquid cooling — which is better?Which type of cooling to choose depending on the purpose of the PC
Which CPU cooler to choose?Nuances of choosing a CPU cooler that guarantee safety, durability and quiet operation of the PC
Information in model description is for reference purposes.
Before buying always check characteristics and configuration of product with online store manager
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Noctua NF-A4x20 FLX Premium Quiet Fan 3-Pin 40x20mm Brown

Premium quiet fan, 40x40x20 mm, 12V, 3-pin Molex, 5000/4400/3700 RPM, max. 14.9 dB(A), >150,000 h MTTF Award-winning A-serie... mores design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance 40x20mm size ideal for 1U applications or replacing fans in network and storage equipment (routers, switches, NAS etc.) or other devices such as DVRs 3-pin FLX version provides 5000/4400/3700rpm speed settings via Low-Noise Adaptors to fine-tune the fan for maximum airflow or near-silent operation Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
Amazon.co.uk
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Noctua Noctua NF-A4x20 FLX 5000RPM Fan - 40mm

Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctua’s AAO frame, the NF-A4x20 is a h... moreighly optimised, premium-quality quiet fan in size 40x20mm. The FLX version provides 5000/4400/3700rpm speed settings via the supplied Low-Noise Adaptors and includes the OmniJoin™ Adaptor Set for easy connection to proprietary fan headers. Its superb running smoothness, reference-class SSO2 bearing and Noctua’s trusted premium quality make it an elite choice for the highest demands.Features:40x20mm sizeCompared to Noctua’s award-winning NF-A4x10, the NF-A4x20 is twice as thick, which allows for increased static pressure performance and makes the NF-A4x20 ideal for demanding applications with high flow resistance.Flow Acceleration ChannelsThe NF-A4x20 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 FrameNoctua'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 DesignNoctua'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 MicrostructuresWith 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 PadsIntegrated Anti-Vibration Pads made from extra-soft silicone minimise the transmission of minute vibrations while maintaining full compatibility with all standard mounting systems and fan clips used on heatsinks.Smooth Commutation Drive 2The 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.SSO2 bearingThe NF-A4x20 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.3 speed settings for full flexibilityProviding 5000, 4400 and 3700 rpm speed settings via the supplied Low-Noise and Ultra-Low-Noise Adapters, the NF-A4x20 FLX (Flexibility) can be fine-tuned for superior airflow or maximum quietness.OmniJoin™ adaptor setMany devices featuring 40mm fans use proprietary fan headers, so the NF-A4x20 comes with Noctua's OmniJoin™ adaptor set.
Overclockers.co.uk
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£13.99
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40mm Noctua NF-A4x20 FLX Fan

Scan.co.uk
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Noctua NF-A4X20 FLX

If you´re passionate about.IT and electronics, like being up to date on technology and don´t miss even the slightest details,... morebuy.Box Ventilator Noctua NF-A4x20 Ø 4 cm.at an unbeatable price. Type:Ventilator.Colour:Beige.Bronze.Speed:5000 rpm.4400 rpm.3700 rpm.Voltage:12 V.Airflow:8,3 M³/H.9,4 M³/H.Sound intensity:12,2 DB.14,9 DB.8,5 DB.Approx.diameter:Ø 4 cm.Includes:Screws.
Tradeinn.com
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£14.99
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Noctua Noctua NF-A4x20 FLX

Case Fan / 3-pin / Max. Noise Emission 14.9 dB / Volume Flow 9.4 m³/h / Statischer Druck 2.26 / Dimensions (WxHxD) 40 x 40 x 20 mm
Idealo.co.uk
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Noctua NF-A4x20 FLX Computer Case Fan - Computer Cooling Components Comput

Noctua Nf A4X20 Flx Computer Case Fan Computer Cooling Components Computer Case Fan 4Cm 3700Rpm 5000Rpm 4400Rpm Award Winnin... moreg A Series Design With Flow Acceleration Channels And Advanced Acoustic Optimization Frame For Superior, Quiet Cooling Performance Brand: Noctua 40X20Mm Size, Ideal For 1U Applications Or Replacing Fans In Network And Storage Devices, Routers, Switches, Nas, Etc. Or Other Devices Such As Dvr. Includes Anti Vibration Mounts, Fan Screws, Extension Cable, And Omnijoin Adapter Set To Connect The Fan To Proprietary Fan Strips.
Amazon.co.uk
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Series Noctua StandardCompare using chart →
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Noctua NF-A4x20 FLX
from £12.79 
fan, on body, fan: 1, 40 mm, depth 20 mm, 5000 rpm, quiet (<20 dB), speed control, magnetic bearing, UV glow
Video reviews
What's in Your box- PC FAN NOCTUA NF A4x20 FLX
7 March 20202 560 view
Cisco SRW2024 | Noctua NF-A4x20 FLX Fan Upgrade
31 August 20212 263 view
Best 3D Printer Fan - Noctua NF-A4x10 FLX and Noctua NF-A4x20 FLX
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