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Raspberry Pi Accessories
Prices are calculated for:Luxembourg, Other Payment Options
The Armor case with dual fan for Raspberry Pi 4B is your ideal partner against heat. With an aluminum enclosure, it protects the top and bottom of the pi from heat and shocks, almost perfectly. It is designed in such a way that it does not require more space than the Pi and thus allows for use in existing applications.
I give it 5 stars because I have installed it on Raspberry Pi 4b 4GB since 07/01/2023 and until today 21/03/2023, the Raspberry is activated without having turned it off. I have it in my country house. It is almost silent, you have to put your ear almost above the fans to hear it. I will come back if there is any problem. The temperature ranges from 37-41 degrees with Windows 10 Pro installed and with IVMS 4200.
I will come back with a new evaluation on 21/04/2023, the fans started making a louder noise, so from the 5 stars I had given, I now give 3. As for the temperature, as I mentioned, it ranges from 37-41 degrees.
It does what it promises (10 degrees below maximum temperature) and provides a nice form factor in the end and sufficient coverage, except for the exposed fans and wiring. The latter, depending on usage, may or may not be a problem.
The main issue I face is the quality of the fans. I have two of them, one in a device that is permanently open and one in another that flickers. In both cases, it seems that the fans are very sensitive, either due to manufacturing or power, as both have developed flaws (noise, grinding, sticking).
It is perfect for any use. I have the rpi running 24/7 as a multiple server and Nas and it stays comfortably at 39 degrees (65 before). Also completely silent.
Do not get an aluminum case if you want to have Bluetooth or WiFi (I did not try this since I am using Ethernet). It causes interference and, for example, when I connected it to a PlayStation 4 controller, the response was mediocre with many lag spikes, but when I removed the case, it played perfectly.
As for temperatures, I have the case without the fans (passive) and it reaches around 45C
Without this specific case, the temperature was 50°C, while with its use it dropped to 40°C, which is a very good operating temperature for the raspberry. However, if the two fans are screwed correctly, they cause an unbearable noise. To stop this noise, one fan should be completely unscrewed, so that it does not touch the other, but still a subtle yet annoying buzzing can be heard. Unacceptable for 16 euros.
Very good case! I will start with the negatives:
1) 4 screws were missing (the package had 8, while 12 are needed), so the fans have 2 screws each. When I installed them, they made a lot of noise, and I realized that I had tightened them too much and the blades were hitting the side plastic.
2) The GPIO pins are exposed on the side, which can accidentally be touched with the hand. I used a piece from the ABS case that came with the budget package, which I attached to the case with double-sided tape so that there is no chance of touching them, but I still have access to the pins from the top.
On the positives:
Temperatures: average of 37oC idle (room temperature 25 degrees). In full load (sysbench, 4 CPU threads with --cpu-max-prime=20000) I saw up to 50.
Noise: There is no noise at all. Only if there is absolute silence and you put your ear directly at a distance less than half a meter, you will barely hear the fans. It's worth the €16, and more!
Good for passive cooling of the PC, but it causes problems with the wifi.