... 4. OEM External 3.5" sata hdd Case up to 2TB USB 2.0 Portable HDD Case,HDD enclosure,Mobile ... is optional** USB 2.0 High Speed up to 480Mbp/s, USB1.1 full compatible** Power Switch** Support hot swap** SATA Speed: 1 ... , MAC OS 8.6 or abovePackage: Wallet, USB Cable Screwdriver, Manual, external power, power cable External 3.5" sata hdd Case up to 2TB JD-HDD35FU