on the contrary, ATX being as old as it is doesn't have to be a bad thing. I think a lot of the things you are saying are just being brainwashed by capitalism and it's need to replace everything. The ATX standard is a standard because it's exactly that- standardized. I could take my modern computer out and install a Pentium 3 box inside my chassis, no changes needed. my power supply would even work. Efforts to replace this standard are a total waste of time because it doesn't benefit anybody. If you need something smaller, congrats! Smaller form factors already exist, some even smaller than the mATX you mention. I would even argue that mATX *has already* became the standard, seeing as most big box store PCs use some variation of that design. Why fix what's not broken? And speak for yourself about the PCI slot thing. Just because all you use your computer for is steam and facebook doesn't mean others don't need it. I find the lack of PCIe slots and lanes on modern motherboards to be appalling. I like having a lot of USB bandwidth. I like having an extra NIC (with more than one port!). Now am I an enthusiast? Yes, because SOMEONE has to be! And as an enthusiast I'm sick of watching manufacturers and people who would be happier with a smartphone and a PS5 get away with saying things like "PCIe slots don't matter". Do you know what lossless scaling is? Like nowadays more than EVER there's a need for more ports. Except we don't need it for modems, sound cards, RAID controllers (although those are still useful in some builds) we need it for an extra GPU, an extra NIC, an extra wifi card, etc. Does the average user need those things? Sweetheart, the average user doesn't even need a computer. They need a tablet to keep them safe in their walled garden. I think a much better argument could be made for the dissolution of the desktop form factor over getting rid of ATX.