Our Overview: The Western Digital 320 GB "My Passport" for Mac, is an ultra portable, high capacity USB 2.0 Hard Drive weighing just 200 grams. Considering that most laptop Hard Drives come with about 160 GB as standard, this portable drive offers double that storage capacity for less than £60 - ideal for backups of screenplays, movies, documents, music etc. If you still have not purchased a back-up drive for your screenplays, documents or files, don't delay. It truly is essential and could save you hours if not days of headache trying to retrieve lost data. Manufacturer's description: The world's most popular portable drive is now smaller than ever. And it's smarter than ever with automatic, continuous backup software and password protection. If you prefer to use Apple® TimeMachine™, no problem - it works with that, too Designed for Mac: Formatted for Mac and compatible with Apple® Time Machine™, this drive is plug-and-play ready for Mac computer users. Product Features • See your backup as it happens - 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. • Ready to plug-and-play with Windows PCs - if you're a Mac user, check out the Mac version of this product. • USB 2.0 interface - Powered directly from the USB port on your PC. No separate power supply is needed. • Planet friendly - We designed a small retail box from recycled materials to minimize waste. We encourage you to recycle it. Languages Supported English, French, Italian, German, Spanish, Traditional Chinese, Simplified Chinese, Korean, Japanese, Portuguese, Russian Compatibility • Formatted HFS+ Journaled • Mac OS® X, Tiger®, Leopard®, Snow Leopard™ • Requires a USB connection Package Contents • Ultra-portable hard drive • WD SmartWare software (pre-loaded) • USB cable • Quick Install Guide Windows users, click the Western Digital "My Passport Essential" version here.