Features: Featuring USB-C technology, the My Passport Ultra portable drive delivers quick and easy storage for your PC, while the included adapter makes sure it's compatible with older machines. Fusing modern anodized metal and textures, the portable drive is ready to seamlessly match your personal style and the newest computers. With up to 4TB capacity, you have plenty of space to store your photos, videos, music and documents , wherever you go and in your control. Built-in 256-bit AES hardware encryption with password protection helps keep your digital life's contents secure. The WD Backup software provides powerful and rich multiple backup functions, so that your important files and data information can be better protected from loss.