Amazon offers the four star-rated Western Digital Elements 2.5 TB USB 2.0 External Hard Drive for $99.99 (<$.04/GB). This drive features reliable WD GreenPower Technology, which claims to reduce energy consumption by 30% and has a portable case which also adds protection.
- Western Digital Elements 1.5TB USB External Hard Drive: $60 (9to5toys.com)
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- Western Digital My Book for Mac 2TB USB External Hard Drive for $70 + $6 s&h (9to5toys.com)
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