Cable for use with Go Flex Ultra Portable Drives Upgrade to USB (Universal Serial Bus) 3.0 & you will experience performance that is up to 10x faster than USB (Universal Serial Bus) 2.0 perfect for transferring & accessing films & other large files Works with any USB (Universal Serial Bus) 3.0 port Backward compatible with USB (Universal Serial Bus) 2.0 Works with Go Flex & Go Flex Pro ultra-portable drives