Automatic & cloud backup Sleek, high-capacity, storage to go Secure your drive Compatibility: Formatted NTFS for Windows XP, Vista, Windows 7 or Windows 8 operating systems Requires reformatting for Mac OS X Note: Compatibility may vary depending on user’s hardware configuration and operating system. Package include: WD 1, 2, 4TB Elements Portable hard drive USB cable WD SmartWare Pro software Quick Install Guide.
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