How to upgrade Mac Pro 5,1 disk slots to SATA 3

Socket 3: SSD Drive Socket with SATA or up to four PCIe lanes Important Notes: Please refer to your motherboard documentation to make sure that

SATA III · 3rd gen or SATA 6Gbs · Support up to 600 MBs · Compatible on SATA II and SATA I ports · * The max speed of the drive will be lower due

sata m2 slot SATA Port Expansion card PCIE 3 ASM1064 review EXPLAINED: PCIe lane SWITCHING

sata 3 slot There is an unused PCIe slot on the MB, BUT, the GT640 NVidia card covers that slot up Unless someone makes an angled adapter pcie extender?