Do you have a large amount of data to transfer? In that case, the Seagate Backup Plus Slim 2TB Space Grey external hard disk is the right solution, providing up to 2000 TB of portable space. This is enough to store large amounts of HD and 4K content. 2.5" drives are designed chiefly for people who want to save every centimetre of space. HDDs are popular due to their large capacity and comparatively low price. On the other hand, these drives don't take shocks and bumps well. The Seagate external storage is equipped with USB 3,0 (3,1 gen1) and Micro USB-B interface.