Startechcom desktop superspeed usb 30 cables startechcom usb3sext5dsk this blue desktop usb 30 extension cable from startechcom connects to an available usb female port on a macreg or pc computer allowing you to relocate the usb female port up to 5 feet away from the computer casedesigned for next generation superspeed usb device connections this usb 30 a to a malefemale cable provides connectivity between a pc and hub or other usb devices supporting a throughput of up to 5gbps