> AMD officially supports ECC in the Pro variants of their desktop CPUs / APUs ECC is only officially supported on the Ryzen Threadripper PRO, and that's large

> AMD officially supports ECC in the Pro variants of their desktop CPUs / APUs ECC is only officially supported on the Ryzen Threadripper PRO, and that's largely because it uses registered memory which will practically always have ECC capability. Regular Ryzen PRO CPUs have the same ECC support as non-PRO Ryzen CPUs: functional, but not validated by AMD. Ryzen PRO APUs have (non-validated) support for ECC, whereas non-PRO APUs don't support ECC at all.