Take a look at this one, it have an M.2 slot for fast storage (intended to install the OS)
https://www.asus.com/Mini-PCs/ROG-GR8-II/
Obviously is a design focused in gaming, but at launch it was very expensive (probably still is), and nowadays is obsolete
Good try though, overall i like that it exists, probably asus knew they was not going to sell much because the high price but is a first attempt to enter in the console market
This kind of things pushes console manufacturers to do something new