Easily upgrade the storage capacity of the Xbox OneTM LED indicators illustrate when the Xbox OneTM is saving content or accessing the hard drive. Dedicated power cable provides the extra power needed for the 3.5" hard drive, Sleek aesthetic helps the larger hard drive blend in with the lines of the system and looks more stylish than a standard external drive with exposed cable. Modular - Compatible with other Nyko modular items for Xbox OneTM