With an ultra slim & lightweight design & 500 GB of storage space the Seagate Expansion SGR39200 Portable Hard Drive is an ideal storage solution for any user. Storage expansion Take your files with your wherever you go thanks to a travel-friendly design with plug-&-play functionality. Store in seconds All you need to do is connect one USB (Universal Serial Bus) 3.0 cable from the hard drive to the computer & you're ready to transfer your data, with no power-supply needed. Just drag & drop your files for safe & secure storing. The SGR-39200 hard drive features a power management system that automatically optimises performance. Store your files safely & speedily with the Seagate Expansion SGR39200 Portable Hard Drive.