Seagate FreeAgent GoFlex is a USB 2.0 portable hard drive is flexible that it can upgrade interface to USB 3.0, FireWire 800, eSATA or access network and TV content. GoFlex also compatible both PC and Mac. It's available in 1.5TB, 1TB, 750GB, 500GB and 320GB.
FreeAgent GoFlex is a simple and attractive external hard drive with compact size and huge storage. It can interchange data on both PC and Mac that you can switch between 2 operating systems anytime with no need to reformat again. For example, create presentation by Mac than open it on PC.
Standard interface of this drive is USB 2.0 but it's flexible like its name that you can upgrade it to improve performance and match with your usability by optional cables and kits (not included) like Firewire, eSATA and USB 3.0.