Seagate Backup Plus Slim 1TB USB 3.0 Portable Hard Drive for $59.99 shipped after promo code EMCYTZG526. Here is a screenshot for your reference. This portable hard drive uses USB 3.0 interface for much faster data transfer rate. It is portable and convenient as it is powered through USB with no AC adapter necessary. Most places have this portable hard drive for about $65 or more.