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 & take files on the go. Drag & drop file saving, right out of the box Fast data transfer with USB (Universal Serial Bus) 3.0 connectivity USB (Universal Serial Bus) powered The easy-to-use storage solution The Expansion portable hard drive can be installed easily by plugging in a single USB (Universal Serial Bus) cord. You can start saving your digital files to this external hard drive within seconds of removing it from the box. 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 (Universal Serial Bus) cable into your computer – no external power supply is needed. The drive is automatically recognised by the Windows operating system – no software to install & nothing to configure. Drag & drop to save files to the Expansion portable drive. Built-in power management automatically ensures energy-efficient operation. Specifications Interface USB (Universal Serial Bus) 3.0 Width 80 mm Depth 117 mm Height 20.8 mm Weight 236 g Device Type Hard drive external (portable ) Capacity 4 TB Form Factor 2.5inch Interface Transfer Rate 5.0 Gbps (USB 3.0) Power Source USB (Universal Serial Bus) bus OS Required Microsoft Windows XP (32/64 bits) SP3, Microsoft Windows Vista / 7 / 8 / 10 Cables Included 1 x USB (Universal Serial Bus) 3.0 cable