> Keep in mind the ram is inside the strix halo package, not something HP has control over.

It's not in the package, it's on the motherboard spread around the SoC package: https://www.hp.com/content/dam/sites/worldwide/personal-comp...

The 8 DRAM packages pretty clearly indicate you're not getting the extra capacity for end-to-end ECC as you would on a typical workstation or server memory module.