Samsung P3 2TB USB 3.0 Portable Hard Drive for $80.99 shipped  after applying coupon code VCO to take 10% off.  Note that you will need to use Visa Checkout to take the 10% off as  detailed here .  Visa Checkout is similar to PayPal.  You can use American Express, Discover, MasterCard, Visa, Diner's Club and other branded cards.  Here is a screenshot for reference.  This portable USB drive does not require a separate power supply and is smaller than most of them, making it more convenient to carry around.  USB 3.0 interface is compatible with USB 2.0 and able to transfer data at 3x faster by using USB 3.0.