See flash memory. USB drives are used for auxiliary storage ... Any combination of the words "USB," "flash," "key," "drive," "jump" and "stick" are used (see USB drive names).
I know a lot less about USB storage in those days and when the drive was delivered, I discovered why it was so cheap.
(2) A memory stick is sometimes used to refer to a USB drive, which uses flash memory. See USB drive. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.