Ocean Technology via Amazon offers the Unitek USB 3.0 to Serial ATA Adapter Cable for $21.99. Coupon code "IMNS4PV3" drops it to $17.59. Plus, Prime members bag free shipping. That's $2 below our March mention and the lowest price we've seen. (It's the best deal now by $10.) It supports 2.5" and 3.5" drives and features data transfer speeds up to 5Gb/s.