Oodelay 18" Cables 2-Port Internal SATA to eSATA with PCI Bracket Gives your computer's internal SATA connection the capability to be used with up to two external eSATA device like hard drives, DVD drives and devices that use an eSATA connection Interfaces: 2x SATA 7 pin internal & 2x eSata external Cable length: 18 inches System requirements: Two free SATA ports on motherboard, One free PCI slot bracket Supports SATA II 3Gbps and SATA III 6Gbps transfer rates