> That said, DIMMs and the whole bus idea is in dire need of getting a new type of bearing. IBM has been using their own memory bus technology for both their P

> That said, DIMMs and the whole bus idea is in dire need of getting a new type of bearing. IBM has been using their own memory bus technology for both their POWER and Z machines. IIRC, it’s somewhat reminiscent of CXL, trading latency for bandwidth and size.