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Customer reviews of the Noctua NF-A4x20 PWM

Noctua NF-A4x20 PWM 20€95
Global rating
10/10
based on 7 reviews Editorial and moderation guide
  • 86%
    6 reviews
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    1 review
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      • by rémy-marie L
        Posted on 12 Aug 2023
        Bought on 10 Aug 2023 from LDLC
        Number of reviews: 47 Average rating: 9

        Noctua :)

        Noctua NF-A4X20 PWN bought in 2 copies to ventilate my Nas in rack which was struggling with the +40°c daily.
        Without using the accessories supplied with these fans, I fitted them instead of the original ones as they were...
        The result is a lot more ventilation for a silence, which when they are full, is inferior to those of origin when they were at rest.
        In short: Noctua is very good and the brown/beige colour is as gratifying on a NAS as Ferrari red on an Italian car.

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      • by Johan R.
        Posted on 28 Apr 2023
        Bought on 31 Mar 2023 from LDLC
        Number of reviews: 1 Average rating: 10

        Excellent products.

        I am impressed by the near-zero noise level of these two fans in operation, even when they are at maximum speed, even with the switch cover open. I am convinced of their performance and highly recommend them. However, their reliability can only be confirmed in the long term.

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      • by Patrice
        Posted on 11 Oct 2022
        Bought on 13 Sep 2022 from LDLC
        Number of reviews: 2 Average rating: 10

        This fan changes my life!

        Installed on a NVR, itself installed in my bedroom, I finally have a restful space thanks to this fan which is really quiet

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      • by ndub
        Posted on 5 Jun 2021
        Bought on 16 May 2021 from LDLC
        Number of reviews: 2 Average rating: 9

        Hello, is anyone there?

        Installed in a 1U short depth cpu Atom 3558 server.
        Extremely quiet fan! It remains to be seen if the performance will be good too. After a few hours, everything is ok in "full speed" mode (5100RPM according to the sensors), hence the half star on hold.
        To be recommended!

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      • by JeangabryelC
        Posted on 6 May 2021
        Bought on 29 Mar 2021 from LDLC
        Number of reviews: 6 Average rating: 10

        super quiet

        The NOCTUA NF-A4X20 PWM is really quiet.
        Use as a replacement for a very noisy switch fan

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      • by ROLOR 30
        Posted on 22 Feb 2021
        Bought on 19 Feb 2021 from LDLC
        Number of reviews: 36 Average rating: 9

        impeccable

        It's exactly what I need: good airflow, (for their size..), not much space available, but just enough for those, (2 side by side) and not noisy. I gain 5-6 degrees at the processor level in an SFF case; where the air circulates badly, and where the processor fan would collect too hot air....

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      • by PierreG
        Posted on 27 Jan 2021
        Bought on 28 Dec 2020 from LDLC
        Number of reviews: 3 Average rating: 9

        A bit noisy

        Everything is perfect except the noise. There is a small rattling noise which makes the fan louder than my NF-A12x25 ...

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