EXPANSIVE CAPACITY: The World's First 6TB 2.5" Portable HDD. 6TB of space to keep your important files, creative projects, school assignments, family photos, videos, and favorite games in one place BUILT FOR MAC. WORKS WITH WINDOWS: USB-C ready, the My Passport for Mac portable storage works straight out of the box with Mac devices. USB-C READY: Connect to more USB-C devices with the My Passport Ultra for Mac portable hard drive. The included USB-C to USB-A adapter helps ensure compatibility with older machines. BACKUPS & RANSOMARE PROTECTION: Scheduled backups of your files with the included Acronis True Image for WD software. Helps fortify your computer against data loss caused by ransomware attacks. SAFEGUARD YOUR FILES against unauthorized access at home or away. Use our included software to add an extra layer of security with password protection and built-in 256-bit AES encryption. DESIGNED WITH THE PLANET IN MIND: The enclosure of this drive is composed of more than 50% post-consumer recycled plastic. Packaging is made of over 50% post-consumer recycled pulp and is recyclable A WORRY FREE WARRANTY: We build our drives using tried and true components and provide a 3-year limited warranty for extra peace of mind.