20 SATA ports on a PCIE x1 This can't end well : r

Differences Between SATA I, SATA II and SATA III sata 3 slot Four-channel SATA III PCI-Express controller with two internal SATA ports and two slots for SATA disks Standard & Low profile sata slot slot SATA is the slowest: SATA isn't as fast as an SSD, but the 3 Crucial T705 Fastest SSD Our expert review: Specifications

sata m2 slot You would probably need to use the PCIe slot if you have one free, but I simply don't know if the bus is fast enough