magnetic media
From Longman Dictionary of Contemporary EnglishRelated topics: Computersmagnetic mediamagˌnetic ˈmedia noun [plural, uncountable] TDmagnetic methods of storing information for computers, for example a hard disk or magnetic tapeExamples from the Corpusmagnetic media• The computer-controlled telescope stores these images on magnetic media.From Longman Business Dictionarymagnetic mediamagˌnetic ˈmedia noun [plural] COMPUTING tapes or disks on which computer information can be storedThe bank uses magnetic media to archive its records.