Seagate STAX1000101 Expansion 1TB USB 3.0 Portable Hard Drive for $59.99 shipped after code EMCXNXR57.  Here is a screenshot for your reference.  This portable USB drive is USB powered so there is no need to carry an AC adapter.  It is also one of the thinnest portable hard drives on the market at 0.61".  Most places [...]