This is a very high-quality and well-functioning SATA -. Adapter to which you can easily connect 2.5 "hard drives or appropriate drives to your computer I try so devices that I want to install later and sometimes take them in long-term test is favorable. so an adapter also to restore a verrekten laptop - hard drive if has become the example because of a virus, access to the laptop impossible with this method I can when removed least secure are the data and then flattening the partitions USB 3.0 SuperSpeed... All right. But the speed is significantly higher than with USB 2.0.