This SATA cable by DeLOCK complies with the standard and supports a data transfer rate of up to 6 Gb/s. It enables and internal connection of SATA 6 Gb/s devices, e.g. 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.