kolink satellite micro atx board

From the video I'm looking at
https://www.youtube.com/watch?v=FBQI-FH8LrU
as well as the images showing the back I/O
5-1.jpg

I think it'll fit(except for the side that the PSU goes in) but the edge of the board will hang out.

What's preventing you from buying anything that is officially supporting micro atx boards?