[threeseed]

> doesn't support ECC cannot be taken seriously for professional use. Like the M1 Max.

M1X is using DDR5 which does have on-die ECC.

[smoldesu]

Just being pedantic, DDR5's implementation of on-die ECC is still not equivalent to the implementation on CPUs. It doesn't account for errors that occur during processing, and there's still a pretty significant chance of corruption in L1-3 caches.