Noisy
The product is worth its price. The whole thing is made of plastic, visually of rather poor quality.
The power cable of the fans has no other end, so it takes up space on the USB of the PC. Other fan trays have the good idea of allowing you to connect a USB to your own power supply, or even offer additional ones, not here.
But above all, the fan makes a high-pitched noise, perfectly audible, and constant. I work with a fairly good quality headset, and I can hear the fan very well, it's unbearable.
The opinion is given after 3 weeks of use, and the noise of the fan, one does not get used to it.
The cooling is very moderate (about 5 to 6°C less).
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