Noctua NF-A4x20 5V - NF-A4x20 5V
![Noctua NF-A4x20 5V - NF-A4x20 5V](https://www.prodimex.ch/noctua-nf-a4x20-5v-nf-a4x20-5v-106592-1-3.jpg)
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![](https://preview.redd.it/which-noctua-fan-to-make-us-l2-24-poe-quieter-v0-b19030f8mq0c1.png?width=852&format=png&auto=webp&s=77094f189988837163e54a6e55909c1091d901dd)
Which Noctua fan to make US-L2-24-POE quieter? : r/Ubiquiti
Noctua NF-A4x20 5V PWM Premium Quiet Fan 4-Pin 5V Version 40x20mm Brown – St. John's Institute (Hua Ming)
![](https://m.media-amazon.com/images/S/aplus-media-library-service-media/03e84aff-11a7-45fc-a2b5-97e3ec2c0393.__CR0,0,150,300_PT0_SX150_V1___.jpg)
Noctua NF-A4x20 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x20mm, Brown) : Electronics
![](http://103.16.129.161/Webstore/Products/1188/337/d1.png)
Noctua NF-A4X20-5V 40mm Fan
![](https://www.laserbear.net/cdn/shop/products/Noctua_20NF-A4x10_205V_20_28Bulk_20packaging_29_01e3cbd8-234b-47b5-b2a1-db6e1b419507.png?v=1635903263&width=2592)
Noctua NF-A4x10 5V (Bulk packaging)
![](https://i.redd.it/n9kios6qnpe11.jpg)
Pi Server Case I designed for a friend. Built to support Noctua NF A4x20 5V fan. : r/raspberry_pi
Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctuas AAO frame, the NF-A4x20 is a highly optimised, premium-quality quiet fan in size 40x20mm. The PWM version sports Noctuas custom-designed NE-FD1 IC for fully automatic speed control via 4-pin fan headers and comes with a Low-Noise Adaptor as well as an OmniJoin Adaptor Set for easy connection to proprietary fan headers.
![](https://i.ebayimg.com/images/g/uS0AAOSwMs5iu35f/s-l1200.webp)
Noctua NF-A4x20 5V PWM 40x20mm Premium Fan
![](https://i.ebayimg.com/images/g/9toAAOSwH41jrE~T/s-l1600.jpg)
Noctua NF-A4x20 5V PWM Premium Quiet Fan 40x20mm 5V Version 4-Pin PWM 5000RPM – Tacos Y Mas
![](https://i.ytimg.com/vi/KcDmt_gi_zs/hqdefault.jpg)
Noctua NF-A4x20 40MM PWM Fans Unboxing