Iomega 35104 500GB USB 2.0 Portable Hard Drive (Knock Out Skin) for $54.99 Shipped

Iomega 35104 500GB USB 2.0 Portable Hard Drive (Silver) for $54.99 shipped after coupon code APRSHOWERS.  Here is a screenshot for your reference.  It uses USB 2.0 interface with no external power supply required, features drop guard protection up to 51″, and includes a 3-year warranty with product registration.  Most places have it for about $69 or more.