Super Talent's new UltraDrive MX SSD has a feature that allows the SSD to be used as an internal drive or as an external storage device. It's because the SSD can connect to a computer with SATA II and USB.
Having the dual-interface option is great for those looking to buy a new SSD because it bridges the upgrade process. Just plug in the UltraDrive MX through USB and transfer all of your hard drive's content over and then swap it in. Or you can just use it as super safe external storage. You got options now, you know.