Add 2 external or internal sata 6 gbps ports to a computer through a pci express slot the pexesat322i pci express sata iii controller card 6 gbps gives you the option to add 2 internal or external sata ports to your computer through a single pci express x1 card slot the card features on board jumper selection which enables you to configure the card to provide 2 internal or external sata iii ports or one of each as needed the sata iii card features port multiplier pm support on e