... optional SATA or IDE Port are optional USB 2.0 External HDD Enclosure,HDD Box, 2.5inch HDD box**SATA or IDE Port are ... optional** High Quality Aluminum Case, case color is optional** USB ... , XP, MAC OS 8.6 or abovePackage: USB Cable Screwdriver, Manual, external power, power cable Hot sale USB External HDD Enclosure JD-HDB3201S