Meritline offers this 2.5" USB External Hard Drive Enclosure for 2.5" SATA HDD Storage for $4.99. Coupon code "MLCKFRIDAYNL1" drops it to $3.99. With free shipping, that's tied with our October mention and the lowest total price we could find for a similar item by $2. It supports drives up to 1.5TB and features a data transfer rate of up to 300Mbps.

Expect this item to take two to three weeks to arrive.