Intel supports ECC on i3, but not i5-i7. At least that was the case for the Haswell generation; I haven't checked recently: https://ark.intel.com/content/www/

Intel supports ECC on i3, but not i5-i7. At least that was the case for the Haswell generation; I haven't checked recently: https://ark.intel.com/content/www/us/en/ark/products/77495/intel-core-i3-4370-processor-4m-cache-3-80-ghz.html https://ark.intel.com/content/www/us/en/ark/products/77495/i...