WHard disk driveWList of defunct hard disk manufacturersWAdvanced FormatWApple ProFileWCastlewood Orb DriveWConner PeripheralsWFabrik Inc.WHard Disk 20WHard Disk 20SCWHard disk drive failureWHard disk drive platterWHardcardWHead crashWHP Kittyhawk microdriveWJaz driveWMicrodriveWMy PassportWQuantum FireballWSeagate FreeAgentWSeagate SeaShieldWShingled magnetic recordingWST3000DM001WStorage Technology CorporationWSyQuest EZ 135 DriveWWestern Digital My BookWWestern Digital Raptor