Newegg offers the Western Digital Elements 1.5TB Ultra Portable USB 3.0 External Hard Drive, model no. WDBU6Y0015BBK-NESN, for $79.99 with free shipping. That's $50 off and the lowest total price we could find. It features USB 3.0 data transfer rates of up to 5 Gb/s and is backwards compatible with USB 2.0.