@Tsukiyomi91 Yeah, that's their
"DIMM.2" solution on the Maximus IX Apex, which is a great solution (why is it lately only Asus that seems to come up with innovations like this?) - another bonus is that it allows dual 110mm M.2 drives. whereas most boards allow 1 at most while the other slots are only 80mm.. I don't like the fact that it needs an extra PCB, because that adds to manufacturing and hence end-user cost; my solutions (M.2 drives designed like memory modules, or a pair of M.2 slots mounted to the board in a single unit) would be cheaper.
I wish that motherboard manufacturers would get together every now and then, look at what is new and cool from the various standards committees, and then determine how best to implement that onto their boards at minimal cost/surface area used etc. All of the manufacturers have, at one time or another, done some crazy things that really should've caught on but didn't.