Snap & Fit ABS Case Stressberry Test


This guide is provided for information and as it is. Cytron Technologies will not be responsible for any damage or data lost during the installation process. Do backup your microSD card if you have any concern.





First of all, why subject your Raspberry Pi to this level of stress? In the case of Raspberry Pi 4, the A72 CPU is so powerful that it can overheat if it doesn’t have enough cooling. This results with the CPU being governed (slowed down) to reduce the electrical energy being consumed, and in turn, reducing heat generation. The RPi 3B+ and predecessors could also overheat, however, it was less of a problem for the majority of use cases. A quick stress test, in this case, will reveal if your Raspberry Pi 4 can run at full CPU-load in its case/environment without overheating and not slowing down.

The goal of this tutorial is to create a chart which depicts:

  • A stabilization period at the beginning
  • A period of time for full-load CPU
  • View the CPU temperature
  • View the CPU speed (to witness if the CPU is being governed, or not)

There are a million ways to cool down your Raspberry Pi: Small heat sinks, specific cases, and some extreme DIY solutions. Stressberry is a package for testing the core temperature under different loads, and it produces nice plots which can easily be compared.

The run lets the CPU idle for a bit, then stresses it with maximum load for 30 minutes, and lets it cool down afterwards. The entire process takes around 45 minutes. The resulting data is displayed to a screen or, if specified, written to a PNG file.



Step 1: Enclosure installation steps


The installation for this enclosure is super easy. There are only 3 parts to be attached together without using any screws.

photo 2021 10 20 18 51 27

As this is only the case alone and does not come with any heatsink or cooling fan, we will have to install another cooling method. I choose the Argon Mini Cooling Fan. Attach the thermal pads provided (with the mini fan) and fan to the Raspberry Pi board. 

Place your Raspberry Pi board on the bottom part of the case.

photo 2021 10 20 18 51 40

Fix the middle part of the case according to its shape.

photo 2021 10 20 18 51 51

Put the top cover but you can remove it if you want a better air flow for your Raspberry Pi.

photo 2021 10 20 18 51 45

The Raspberry Pi is now can be power ON.

photo 2021 10 20 18 51 48



Step 2: Result for the stress test

I have overclocked and ran the stress test on the Snap & Fit ABS Case (combine with Argon Mini Fan) to observe how great the enclosure dissipates heat from the Raspberry Pi 4. The chart below shows the stressberry graph for the Snap & Fit ABS Case.


From the chart, we can see that the Raspberry Pi can dissipate heat better with the case. From my observations:

Snap & Fit ABS Case– this type of enclosure applies an active cooling mechanism with the help of additional fan. This case is not specialize for dissipating the heat so that’s why the temperature is quite high plus there is no an adequate air flow. If you wish to make your work station tidier, you can attach this case at the back of your monitor using the VESA mounting bracket. VESA mounting bracket enables you to mount a Raspberry Pi case to the back of your display or monitor using the VESA attachment points.

Overclock test – the Raspberry pi is overclocked to observe how far the clock frequency can be increased while maintaining the CPU temperature below 80 degree Celsius. The Raspberry Pi can be overclocked to maximum 1.8 GHz with this case.


Now you can see that enclosure for Raspberry Pi 4 is really important in dissipating the CPU heat. Interested in having this type of enclosure for your Raspberry Pi?

Let’s get the enclosure at our Cytron product webpage 😁.



Kindly refer this tutorial for the Stressberry test.

Stressberry Test on Raspberry Pi 4

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