It allows the user to use an SSD from 2013 or 2014 Macbook SSD module through a USB 3.0 port on your desktop or laptop.
Super Slim USB-Slimline 13 Pin SATA External Slot in Case for Apple MacBook Pro 371. Item # CAD-SLIM-SATA.
This USB 3.0 external 2012 APPLE MACBOOK AIR MD224 MD223 MD231 MD232 7+17pin SSD Case is used to reuse your 2012 MACBOOK air SSD as external HDD.
USB 3.0 MacBook Air MC505 MC503 MC506 SSD External Case