Apple Certified 2TB Hitachi Ultrastar 3.5" HDD – Model: HUA5C3020ALA640. Hitachi Model: HUA5C3020ALA640. Seagate Part Number: 0F15134 / H320006454S. TheApple Certified 2TB Hitachi Ultrastar 3.5" HDD (Model: HUA5C3020ALA640, Apple Part Number: 655-1697A) features a SATA 1.5 Gb/s interface, making it compatible with a range of older Apple systems that support this interface.