Up until the CM4, every generation of CM (original CM, CM3, CM3+) worked in the exact same slot on the same hardware. I know this because I tested a mixed clus

Up until the CM4, every generation of CM (original CM, CM3, CM3+) worked in the exact same slot on the same hardware. I know this because I tested a mixed cluster with all three on a Turing Pi board :) Additionally, upgrading from a 1 GB Lite module to an 8 GB 32 GB eMMC module could also be possible if they were swappable.