This USB to SATA External Hard Drive Enclosure turns a 3.5in SATA (SATA, SATA II, SATA III) hard drive into a dual purpose add-on external storage and internal removable hard drive storage solution! Supporting the latest generation of Serial ATA hard drives, this external hard drive enclosure is the ideal solution for large volume data offloads, digital video recording, surveillance systems, audio editing (no fan so noiseless), external storage, or a simple way to swap storage between your laptop and desktop computers. Simply install the provided bay enclosure bracket into any 5.25in drive bay on the host computer, and enjoy the convenience of removable storage that can be ejected from one computer and connected to another as a conventional external hard drive.