Top features:- 3 TB of storage to free up space on your PC- Simple set up for your convenience- Backwards compatible for extra compatibility3 TB of storageTake advantage of being able to instantly plug in an extra 3 TB of storage to your PC in a matter of seconds. The Seagate Expansion External Hard Drive.allows you to consolidate large files in one place, helping improve the performance of your computer.Simple set upThere is no software set up required with the Expansion External Hard Drive. Simply plug into the power supply and connect to your PC via the USB cable and you will instantly be able to transfer data at fast speeds with thanks to the USB 3.0 interface.Backwards compatibleIt is backwards compatible with USB 2.0 for additional system compatibility.Recognised by the Windows operating system, you won't waste time installing programs.