Simple add-on storage that goes with you The Seagate Expansion Portable hard drive offers an easy-to-use solution when you need to instantly add storage to your computer and take files on the go. More Expansion Portable Hard Drives Instantly adds storage capacity Digital photos, videos and music files can tax your computer’s storage, causing performance to decline as its internal hard drive fills to capacity. The Expansion portable hard drive features a range of capacities, with the 1TB model offering enough data storage for: Up to 1,000 hours of digital video Up to 250 two-hour DVD films Up to 320,000 digital photos Up to 16,660 hours of digital music Ext port expansion portable Overview 3 Installs in seconds Seagate® Expansion™ portable hard drive features make it incredibly easy to use this drive right from the box. Simply plug the included USB cable into your computer – no external power supply is needed. The drive is automatically recognised by the Windows operating system – no software to install and nothing to configure. Drag and drop to save files to the Expansion portable drive. Built-in power management automatically ensures energy-efficient operation In The Box Expansion Portable hard drive - STEA4000400  USB 3.0 cable 18"(46cm) Quick start guide