They are either tray loading (PowerMac, Mac Pro, iMac G4, eMac, iBook G3 & PowerBook G3) or slot loading (iMac G3, iMac G5, Intel iMac, iBook G4, PowerBook G4, Mac Mini, MacBook & MacBook Pro).ģ) Interface : Optical drives are all one of two interface types which defines the way the drive communicates with the Mac logic board. New and used replacement CD-ROM drives, CD-RW drives, DVD-ROM drives, Combo drives (CD-RW, DVD-ROM) and SuperDrives (CD-RW, DVD-RW) for Apple laptops (MacBook, MacBook Pro, iBook & PowerBook) and desktops (iMac, Mac Mini, Mac Pro & PowerMac).Īlthough there are many different revisions within drive families which vary in terms of read/write speeds and formats supports, all the drives break down into a few basic types which determines which machines they are suitable for.ġ) Drive height : There are three basic drive sizes, full height (eMacs, PowerMacs, Mac Pros and iMac G4s), 12.5mm high (iBook, PowerBook, MacBook Pro 17', iMac G5, Intel iMac & Mac Mini) and the super-slim 9mm high (MacBook & MacBook Pro 15').Ģ) Loading Type : Optical drives take their disks in two ways.

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