EntityQ1195211· pop 13· linked from 46 articleshard disk drive platterSign in to savecircular disk on which magnetic data is stored in a hard disk driveConnectionsbitEntityaluminiumEntityglassEntityInternational Standard Book NumberEntitycobaltEntityhard diskEntitymagnetic fieldEntitylaptopEntitydigital object identifierEntitynanometreEntityfloppy diskEntityToshibaCompanyQ180686EntitybibcodeEntitydesktop computerEntityQ118398EntityQ229883EntitylubricantEntitydigital dataEntityantiferromagnetismEntityCategoriesHard disk drives