My Passport Ultra for Mac WDBPMV0040BSL-WESN Features: Innovative style with refined metal cover USB-C ready, USB 3.0 compatible Automatic backup and password protection Social media and cloud storage import Up to 4TB capacity Easy to use 3-year limited warranty Specifications: System Requirements Formatted HFS+ Journaled for macOS Mojave, High Sierra or Sierra. Downloadable HFS driver to read⁄write on Windows®. Compatibility may vary depending on user’s hardware configuration and operating system. Capacity 4TB Interface USB-C ready, USB 3.0 compatible Additional Details Innovative Style and Function Included WD Discovery™ software for social media and cloud storage import, backup and password protection 3-year limited warranty Package Includes My Passport Ultra for Mac portable storage USB-C™ cable with USB 3.0 adapter WD Discovery™ software and WD Drive Utilities™ Quick install guide