eXpansys offers the TrekStor DataStation Serial ATA 2.5″ to USB External Hard Drive Enclosure, model no. CSE-SIL-DSPXU-S-SU-A, for $9.49 with free shipping. That’s the lowest total price we could find for such a dock by $9. It supports hard drives up to 1.5TB and features a 1-touch backup function.

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