A hard disk drive (HDD), hard disk, hard drive or fixed disk is a data storage device used for storing and retrieving digital information using one or more rigid ("hard") rapidly rotating disks (platters) coated with magnetic material.
  • 48 pin Apple ATA
    Apple PowerBook ATA Used on PowerBooks for the 2.5" drives. The internal hard disk has a 48-pin connector that carries both the ATA signals and the power for the drive.
  • 30 pin Apple HDI-30
    Apple PowerBook SCSI these connectors are found on the SCSI Disk adapter cable

 
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