Hi, I have the above system with dual 8 code xeon's, and was wondering if it supports pcie bifurcation. I know the life slots and risers qualify as this, but I was hoping to purchase 2x x16 pcie to x4 nvme cards, so I could drive them direct. Also, I've see u.2 drives on eBay that can be plugged into sas bays, is that real? I have 12G sas I could free up space on.