[abound]

It makes sense that each "stick" needs to be higher density since you can fit far fewer of them flat on a motherboard (especially true for servers, I'm curious to see what that'll look like).

[0x000xca0xfe]

There is also SOCAMM (Small Outline CAMM) and it looks like this: https://www.servethehome.com/micron-socamm-memory-powers-nex...

[perching_aix]

Seems to be much better in terms of footprint and modularity. Guess we won't see these on the desktop though.