2.5-Inch External Hard Drive Enclosure

The plain version of the same job: a 2.5-inch SATA drive goes in and comes out the other side as a USB disk. No screws in most cases, no separate power, no software.

The usual reason to buy one is an upgrade — a laptop gets an SSD and the old drive still holds a working system and years of files. This is what turns that into a backup disk rather than something in a drawer.