Compartment cube high school locker locker room lockers school security square storage storage device computer data device disc magneto-optical MD MiniDisc drive electronic key media memory stick technology usb connect connection dongle pen pendrive peripherals backup cable communication copy cord external harddisc hardware PC peripheral portable abstract archive audio background blu-ray cd CDR circle compact disc concept design digital disk dvd graphic internet laser light modern movies music New ray Recording reflection refraction render rom round shiny software sound style tech texture vector video fill scrapbooking spectrum