Western Digital My Passport 2TB USB 3.0 Portable Hard Drive for $139.99 shipped after promo code EMCJHNF22. Here is a screenshot for reference. Alternatively, it is available at Amazon for $139.99 shipped. 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. In addition, the USB 3.0 interface is compatible with USB 2.0 and able to transfer data at 3x faster by using USB 3.0. Most places have it for about $159.