This HPE DVD-ROM drive model Dudon (E2J) is a great addition to your HP laptop. It is an internal laptop drive that is compatible with HP and comes in a sleek silver color. The unit type is a unit and the interface is SATA I. This product can expose you to chemicals including solde, therefore, it is important to handle it with care. The box is B155-1 and the unit quantity is 1. The drive is designed to read DVD-ROM format and it does not come with a cable or screw. This product is perfect for those who are looking to upgrade their HP laptop's storage capabilities.