Startech com pcisata4r1 4 port pci sata raid controller adapter card startech com pcisata4r1 p this 4 port pci sata raid controller from startech com lets you add four internal sata 1 0 1 5 gbps ports to your pc through a single pci expansion slot while offering support for several raid modes or a simple jbod just a bunch of discs configuration p p the card provides increased performance and capacity with raid 0 striping or a redundant copy of your hard drive with raid 1 mirrorin