Western Digital My Passport 4TB External HDD Key Features 4TB External HDD 5400 rpm Rotation Speed Compatible with Windows and Chrome OS USB 3.2 Interface 3-Year Limited Warranty Overview The My Passport drive is trusted, portable storage that gives you the confidence and freedom to drive forward in life. With a new, stylish design that fits in the palm of your hand, there’s space to store, organize, and share your photos, videos, music, and documents. Perfectly paired with WD Backup software and password protection (Windows only), the My Passport drive helps keep your digital life\'s contents safe. Box Contents My Passport HDD SuperSpeed USB Cable WD Discovery Software Quick install guide Specifications Disk Type HDD External? Yes Capacity 4TB Rotation Speed 5400 rpm Transfer Rate up to 150MB/s Interface USB 3.0 Compatibility Windows, Chrome OS, others require formatting Dimensions 107 x 75 x 19 mm