HGST Touro S 500GB 7200RPM High-Performance Portable Drive, Platinum (0S03698) Stylish, ultra-portable aluminum enclosure in your choice of Ruby, Gold, Platinum or Silver Your choice of 500GB or 1TB capacities Transfer faster with featured USB 3.0 interface and 7200RPM hard drive, up to 23% faster than 5400RPM drives Two levels of protection, with preloaded local back up software and 3GB of FREE cloud backup Cloud backup allows access to your content anywhere, anytime Upgrade to paid account and receive 250 GB of cloud storage for only $69.99/yr iPhone and iPad mobile digital device apps available to access your cloud account