Alternatively, even if the boards + CPU are tightly integrated, if used a particular standard like EOMA-68, then they could be easily replaced with rest of desk

Alternatively, even if the boards + CPU are tightly integrated, if used a particular standard like EOMA-68, then they could be easily replaced with rest of desktop/laptop/phone not being affected. https://www.crowdsupply.com/eoma68/micro-desktop https://www.crowdsupply.com/eoma68/micro-desktop