In Dutch but I don't think I've seen a review, this one has a professionally made video, showing the size, internals and issues (cables are mostly going to need to be 90 degree angled): https://tweakers.net/reviews/5041/1/streacom-db4-geruisloze-designbehuizing-inleiding-anders-dan-anders.html
Performance is off the chart (bad), as a 45W APU is heating up the CPU to 108°C though this is running with full load using Prime95.
When using an actively cooled 1050Ti, itself manages 82°C. The temps in the link are delta, so take 20°C room temperature into account, which I did for the afformentioned temps.
Another issue is the size: it has support for quite some hardware but it obviously has issues with keeping even modest hardware in check.
Maybe when the load isn't too high, like for HTPC usage, but I wouldn't want to bring this to a LAN party.
The feet are also just a smidge to short to comfortably be able to use regular cables. As it seems you need atleast a 90 degree angle AC cable and mind that all the other cables have a short connector or atleast flexible wiring.
Still it looks amazing but too bad the thermal performance isn't quite ready for heavier use. The price, over € 270 at the moment, is also not easy to swallow.
