"USB-C and USB 3.1 Compatible Featuring USB-C? technology, the My Passport? Ultra for Mac portable drive delivers quick and easy storage for your Mac, while the included USB 3.1 adapter makes sure it?s compatible with older machines. Innovative Style and Function Fusing modern anodized metal and textures, the My Passport? Ultra for Mac portable drive matches your personal style and the latest Mac computers. Mac Ready My Passport Ultra for Mac is formatted for Time Machine and ready to deliver plug-and-play storage out of the box. With WD Discovery? software, you can also work across both Mac and PC. We provide a downloadable HFS+ driver for Windows? 10, 8.1 or 7 to enable you to read and write to your My Passport Ultra for Mac drive without reformatting. Password Protection with 256-bit AES Hardware Encryption WD Security function within WD Discovery helps keep your files private with a password of your choosing, making it easy to enable password protection and 256-bit AES Hardware Encryption. Get More Out of WD Discovery To help preserve your online life, WD Discovery allows you to import your content from popular social media and cloud storage services like Facebook, Dropbox and Google Drive?*. WD Discovery software can also be used to manage your drive settings such as reformatting, LED control and more. High Capacity With up to 2TB** of capacity, you have plenty of room to keep your photos, videos, music and documents with you, wherever you go and in your control. 3-Year Limited Warranty The My Passport Ultra for Mac drive is built using tried and true components for lasting endurance and comes with a 3-year limited warranty to deliver premium storage you can rely on. ""*Social Media or Cloud account registration may be required. Social Media and Cloud services may be changed, terminated or interrupted at any time and may vary by country. **As used for storage capacity, one terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment."