Buy.com has the Iomega Helium 500GB USB 2.0 Portable External Hard Drive in Silver, model no. 35421, for $44.99 (89.99 – 50% off) with Free Shipping for limited time.

The Iomega Helium Portable Hard Drive features a durable aluminum case, 256-bit hardware encryption to keep your files secure, 8MB cache, and much more.