Ocean Technology via Amazon offers the Unitek USB 3.0 to Serial ATA External Hard Drive Docking Station for $21.99. Coupon code "K3S9W38R" cuts that to $11.87. Plus, Prime members bag free shipping. That's tied with our mention from last month, $32 off, and the lowest price we could find. It supports 2.5" and 3.5" hard drives and SSDs up to 4TB and features data transfer speeds of up to 5Gb/s.