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On Mon, 7 Oct 2019 at 02:41, fsbuild fsbuild@contbay.com wrote:
For this to work, I think the (hardware) memory controller and the CPU need to support ECC as well. So if the motherboard you are spec'ing out does not explicitly say it supports ECC, then I would assume it does not. ECC memory is 2X to 3X more expensive than non-ECC memory. I don't know how motherboard prices compare that do/do not support ECC. Users who are building machines for supper fast gaming, or audio/video production and streaming typically won't spend extra money on ECC as they want to max out on the CPU, memory, and buss/bandwidth.
I'm not sure about the AMD side, but for Intel you generally have to go to Xeon chips and motherboards to get ECC support. See the "memory" section under: https://www.intel.com/content/www/us/en/support/articles/000006778/processor... ECC will in general be (slightly) slower than 'regular' RAM due to the extra parity bits.
HTH,
Richard