Intel's product segmentation strategy used to keep the -K parts' unlocked multiplier and the Xeon E3's ECC as mutually exclusive features, so the ECC support on

Intel's product segmentation strategy used to keep the -K parts' unlocked multiplier and the Xeon E3's ECC as mutually exclusive features, so the ECC support on the 12900K is the most surprising and significant part of this strategy change. Aside from the -K parts, the consumer CPU product line generally offered just a subset of the entry-level Xeon series capabilities, at roughly equal speeds