I use ECC on my X570 and B550 ASRock boards, they have allowed unbuffered ECC for a while.
Kind of a shame they don't have a mini-itx/matx X670E board (only ASUS does).
Kind of a shame they don't have a mini-itx/matx X670E board (only ASUS does).
https://www.supermicro.com/en/products/motherboard/h13sae-mf