This is a good case - the fit and finish was excellent. I needed an enclosure for the Pi 4B + PoE+ hat and there is plenty of room for both. FWIW, internal screws are M2.5. On a non-working Pi 4B with a PoE+ hat, the temperature is 50-53°C - the fan kicks on quite often. The case feels warm. From the "Cons" perspective, there were several minor flaws: 1. The two halves of the case are secured with eight (8) screws. That's exaggerated. Four would have sufficed, and the screws were over tightened, so given the very small size of the brittle screws, it's not surprising that some people blew off the screw heads. I didn't do it, but it was a close thing. The screw connection was OK.2. The included hardware doesn't help if you add a hat. I had a collection of M2.5 racks so this wasn't a problem for me, but be prepared to get some additional hardware if you plan on adding a hat to your Pi. Screws are only needed on the non-port side of the Pi (x 2) - the ports provide stability on their side (HDMI, audio jacks) so there are no screw holes on that side.
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