Western Digital My Passport Ultra 4TB External HDD Key Features 4TB External HDD 5400 rpm Rotation Speed Compatible with Windows and Mac USB 3.0 Interface 3-Year Limited Warranty Overview Equipped with USB-C technology, the My Passport Ultra drive offers an easy way to expand your storage with a modern metal design that complements your PC. It is Windows 10-ready out of the box to seamlessly deliver plug-and-play storage, while password protection with hardware encryption helps enforce the security of your content. And with 4TB of storage and a 3-year limited warranty, you get storage to rely on for years to come. Box Contents My Passport Ultra HDD USB-C Cable with USB 3.1 Adapter 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, Mac Dimensions 110 x 82 x 21 mm