£12.79

It has never been this cheap. We have no record of a lower price.

£13 today · cheaper than every other day in the last 3 months

Noctua NF-A4x20 FLX 40mm High-Performance Quiet Fan

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Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 71 days · 71 data points (no recent data)

Historical
Generating forecast…
£12.79 £12.15 £12.41 £12.66 £12.92 £13.17 £13.43 12 August 2026 29 August 2026 16 September 2026 03 October 2026 21 October 2026
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Beige / Brown, NF-A4x20 FLX

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Price Distribution

Price distribution over 71 days • 1 price levels

Days at Price
71 days 0 18 36 53 71 £13 Days at Price

Price Analysis

Most common price: £13 (71 days, 100.0%)

Price range: £13 - £13

Price levels: 1 different prices over 71 days

Description

The Noctua NF-A4x20 FLX is a premium 40x40x20 mm quiet cooling fan designed for high-performance applications. Featuring the award-winning A-series design, this fan utilizes Flow Acceleration Channels and an Advanced Acoustic Optimisation frame to provide superior cooling while maintaining extremely low noise levels, peaking at just 14.9 dB(A). It is an ideal solution for 1U applications or for replacing fans in network and storage equipment such as routers, switches, NAS, and DVRs. With a 12V power requirement and 3-pin FLX version, you can fine-tune your setup for maximum airflow or near-silent operation using the included Low-Noise Adaptors. This durable fan offers a reliability of over 150,000 hours MTTF, making it a dependable choice for long-term hardware cooling.

Key Features

The Noctua NF-A4x20 FLX features an award-winning A-series design with Flow Acceleration Channels and an Advanced Acoustic Optimisation frame for quiet cooling.

This 40x40x20 mm fan provides three adjustable speed settings of 5000, 4400, or 3700 RPM via included Low-Noise Adaptors to suit your cooling needs.

Designed for versatility, this 12V 3-pin fan is perfect for 1U applications, routers, switches, NAS, and DVR equipment.

Maintain ultra-quiet environments with a maximum noise level of only 14.9 dB(A) during operation.

Built for longevity, the fan offers a high reliability rating with a Mean Time To Failure (MTTF) of over 150,000 hours.

The package includes anti-vibration mounts, fan screws, and extension cables for a complete and easy installation process.

Product Specifications

Brand
Noctua
Colour
Beige / Brown
Size
40x20mm
Domain
Amazon UK
Listed Since
03 June 2017

Barcode

No barcode data available

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