Western Digital My Passport Essential, 500GB Ultra-Portable Pocket Hard Drive with FireWire and USB Interface, Silver

Key Features

• Smart display: Create your own personalized drive label to remind you of what's stored on each drive. You can even view the label when the drive is unplugged. The display also includes available capacity and security status.
• FireWire 800: Save and access data at top speeds with the high-performance FireWire 800 interface. Also includes USB 2.0 interface for maximum flexibility.
• Designed for use with Mac computers: Formatted for Mac and compatible with Apple Time Machine, this drive is plug-and-play ready for Mac computer users.
• WD SmartWare: See your life safe in one place.
• See your backup as it happens: Seeing is believing. Visual backup displays your content in categories and shows the progress of your backup.
• Protect your data automatically: Relax, your data is secure. Automatic, continuous backup will instantly make a second copy whenever you add or change a file.
• Bring back lost files effortlessly: Retrieve your valuable data to its original location whether you've lost all your data or just overwritten an important file.
• Take control: Customize your backup, set drive security, run diagnostics, manage the power settings and more from the WD SmartWare control center.
• Drive lock: Gain peace of mind knowing that your data is protected from unauthorized access or theft with password protection and 256-bit hardware-based encryption.
• Compatibility: Mac OS X Tiger, Leopard, Snow Leopard, Requires reformatting for Windows XP, Windows Vista, or Windows 7