This 20 inch Slimline SATA Extension Cable features one Slimline SATA male connector and one Slimline SATA female connector, allowing you to extend the distance/placement of Slimline SATA drives within a tower style computer case by 20in - in turn making it easier to position your Slimline capable peripherals (drives etc.) as needed. With support for full Serial ATA capability (data transfer speeds up to 300 MBps), this high quality Slimline extension cable provides you with the connections you need to get your Slimline SATA devices up and running.