This is a device to use an IDE or SATA interface drive via a USB connection. Here is the front of the device, IDE interface at the bottom, 2.5″ form factor. PCB removed from the casing. USB cable exits the top, 12v DC power jack to the left. SATA interface
An old IDE interface Zip drive. This fits in a standard 3.5″ bay. Top cover removed from the drive, IDE & power interfaces at the top, in centre is the eject solenoid assembly & the head assembly. Bottom is the spindle drive motor. Head assembly with the top magnet removed.