And those "CXL slots" can be in the form of M.2 slots or a next-generation 12VO successor which can be used for anything that can use an x4 slot besides memory too. Expansion isn't going away any more than it already has, it is just taking a different form because extra memory's performance isn't performance-critical anymore.You'll have a choice. It will just be locked down at the time you select your CPU model. If you want to add capacity, then maybe you can get a laptop model with a CXL memory slot.