Sorry, I was a little obtuse. What I was inferring was that historically, only higher-priced server chips from Intel had ECC support. In 2013, Intel launched the v3 lower-end Xeon E3s server chips that were closer to the price of the consumer Intel chips and offer ECC with comparable clock speeds. Of course, all of those only have 4 cores instead of 8.
Yes, all of the E3s support ecc, but Xeon's didn't always support ECC until the launch of the Xeon E3 as far as I can tell.
Xeon has implied ECC support for as long as Xeons have had integrated memory controllers, which is just a generation or two further back than the first Xeon E3 product line. Before that, ECC support was a function of the northbridge.
Yes, all of the E3s support ecc, but Xeon's didn't always support ECC until the launch of the Xeon E3 as far as I can tell.