There are already quite a few interesting solutions on the market for building compact but productive PCs. For example: : DNK-H | Best Thin Mini-ITX PC case with built-in power supply and cooling
However, this form factor of motherboards has been completely occupied by Intel platforms for quite a long time, which is sad. Can anyone vkurse, is there at least some rumors about the announcement of the motherboard form factor Thin Mini ITX for AMD Ryzen?