This SATA cable by Delock supports a data transfer rate of up to 6 Gb/s. It enables and internal connection of SATA 6 Gb/s devices, such as HDD, controller card or flash memory. Furthermore the SATA 6 Gb/s interface is downwards compatible to the former SATA versions, whereas you can only achieve the respective transfer speed. Additional snap in will be provided by the metal clips on the SATA connector.