Apple 500GB SATA Hard Disk Drive Kit for Mac Pro 500GB Serial ATA internal hard drive

MA988GA - 500GB SATA Hard Disk Drive Kit for Mac Pro Mac Pro supports up to four 3Gb/s Serial ATA hard drives for up to 8TB of storage. The cable-free, direct-attach drive solution lets you install and remove drives in a snap. To install a drive, you connect a simple drive carrier to the hard drive, then just slide it into place -- no cables or connectors to hassle with. Removing the drive is just as easy. Every Mac Pro ships with four hard drive carriers. This solution is perfect if you ever share drives among different workstations at home or the studio.