The 1TB Hitachi Touro S Gold is a 2.5 inch external Hard Drive,
It comes in a Gold Case and runs at 7200rpm, now the rpm part is important as it determines how fast the drive runs as well as transfer of files. On the case and the website it says its runs 23% faster than the more common 5400rpm hard drives.
True enough the file transfer is super fast with USB 3.0. The purchase comes with a 3 year Warranty.