XPS 8950, using SATA 3 port for SSDHDD four drives

XPS 8950, using SATA 3 port for SSDHDD four drives sata 3 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 sata m2 slot ○ Three SATA slots for hard drives ○ One SATA slot for optical drive or hard drive I would like to know if the SATA

sata m2 slot Add 1 internal mSATA slot and 3 internal SATA III ports to a computer through a PCI Express x2 slot Featuring HyperDuo technology, the SATA card

sata 3 slot Depending on the manufacturer, some computer systems allow both mSATA and PCIe SSDs to be inserted in the memory slot The pins and slots used by the two I ordered an sata III ssd for this Acer desktop, planning to install in into the m2 slot but now I am not sure that slot is compatible