Buffalo MiniStation Metro HD-PX500U2 500GB Portable Hard Drive for $64.00 shipped. Valid on 5/10 only and while supplies last. Here is a screenshot for your reference. This 2.5″ portable USB drive features BumperBody shock absorbers and does not require a separate power supply. It is also smaller than most external drives, making it more convenient to carry around. Most places have this portable 500GB drive for over $95.