SATA III CableWith Newest version of SATA 3.0 data cable, you can easily applied it in connecting motherboards and host controllers to internal Serial SATA hard drives and DVD drives,which can quickly add expanded storage for your computer.SATA III backwards compatible with SATA I and SATA II. 6Gbps Data Transfer: Finish 1GB file transfer in 5 seconds with 6Gbps High-speed data transfer speed,fully compliant with the SATA III specification, 2x faster than SATA II.