B&H Photo-Video offers the Western Digital Elements 2.5TB USB 2.0 External Hard Drive, model no. WDBAAU0025HBK-NESN, for $104.95. With free shipping, that’s $0.04/GB and the lowest total price we could find by $5. It’s also the lowest total price we could find for a 2.5TB external hard drive. This features WD GreenPower Technology, which claims to reduce energy consumption by 30%.

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