Today only, TigerDirect offers the ADATA Dash Drive 500GB 2.5" USB 3.0 External Hard Drive, model no. ACH11-500GU3-CBK, for $59.99. Coupon code "SWU87652" cuts it to $49.99. With $3.69 for shipping, that's $0.10/GB and the lowest total price we could find by $15. This 2.5" drive features up to 90 MB/s data transfer rates.