eCost offers the refurbished Lacie Rugged Triple 500GB USB 3.0 External Hard Drive, model no. 301982, for $58.99 plus around $8 for shipping. That's the lowest total price we could find for a refurb by $11. (It's also $40 under the best price we could find for a new one.) This hard drive features a shock-resistant rubber sleeve, protective aluminum shell, internal anti-shock bumpers, and purports to be drop resistant up to approximately 78 inches.

Of note, no warranty information is provided.