Add internal sata iii 6gbps support to a computer through a single mini sas port the pexsat34sff pci express 20 sata controller card enables 4 ahci sata iii connections to be added to a computer through a single internal mini sas connector the mini sas connector with port multiplier support allows for multiple sata drives up to 7 to be connected using a single cable featuring hyperduo technology the sata card offers ssd auto tiering which lets you balance the performance advantage