Startechcom long usb 20 a male to a female active cables startechcom usb2faaext15 this startechcom usb2faaext15 45m usb 20 active extension cable offers 1 x usb a male connector and 1 x usb a female connector providing an active bus powered extension of up to 45m the extension cable supports high speed usb 20 transfer rates of up to 480mbps and is backed by startechcoms 2 year warrantypowered directly from the usb port so no external power adaptors are requiredbacked by a st