The Seagate Expansion Portable 1TB 2.5 inches External Hard Drive is compact and perfect for on-the-go. Instantly add more storage space to your computer and take large files with you when you travel. With USB 3.0/2.0, the files transfer will be a breeze. It is automatically recognized by the Windows operating system, so there is no need for special installation software. The drag-and-drop save type makes things easier and faster. Built-in power management ensures energy efficient operation.