Well designed, retrieve a laptop internal drive, in my case a reader / Blu-Ray burner, two constraints, however, this new housing must imperatively be connected directly to the computer (use of a hub avoided ) and properly fed with another USB 2.0 port, so it will be necessary two takes on the free computer to burn, however one is enough for reading. Works perfectly on OS X, the material is immediately recognized by Disk Utility (Mac Users include ... ;-)). Last the front drives that feature the design of laptop manufacturers, is detachable simply locate the notches, that provided in the kit is well suited standard and incorporates the universal slots and the good location of the led control of the player / recorder.