This is all getting a bit over my head but what I can tell you is I used an old motherboard I had spare, https://www.asrockrack.com/general/productdetail.asp?Model=D1541D4U-2T8R#Specifications 64GB ECC RAM, 4 x Kingston DC600M Series 3.84TB in a ZFS striped mirror, as recommended by a proxmox...