Not only the product works perfectly, but it is very qualitative, the small mounting pads (yellow visually) start in place of the screws on the side of the disk 2 "1/2 before inserting it into the bay and to prevent any disk access noise and almost completely isolate my drive 7200 rev / min. The bay has all the necessary threads like on the optical drive I replaced, I was able to recover a paste that secures the drive bay in your mobile. The bay is supplied with a clip-like facade DVD burner, it is very easy to get the front of the optical unit replaced to keep the general design of your computer because the inking points are standardized.