The My Passport SSD supports data transfer speeds up to 515 MB/s using the USB Type C port to rapidly transfer data. These enhanced data transfer rates offer enhanced performance to help run virtual machines on your computer. Store growing content on the My Passport SSD to alleviate limited internal storage space. Set a password to help keep it protected with built in 256 bit AES Hardware Encryption with WD Security software. Included WD Backup software makes it easy to automatically back up high-capacity files to your drive or Dropbox cloud service account. This WD drive is also compatible with Apple Time Machine.