Internal Blu-ray DVD drive, a set of 5. UHD Blu-ray / DVD Writer BU50N 2019 model x 3 2018 model x 2 Total of 5 drives. 9.5mm thick, ultra-slim. - Removed from used laptops (NEC LAVIE). - Only confirmed that the OPEN button responds. * Reading and writing operations have not been checked. * Sold as-is, considered as junk. * Please consider this before purchasing. Please check the condition in the photos.