The LG BH16NS48 is an internal optical drive that supports 16x Blu-ray writing. The main specifications are as follows: BD-R 16x, BDXL 8x writing, DVD 16x writing, and CD 48x writing. It uses a SATA interface, supports Blu-ray 3D, is M-DISC compatible, and offers Silent Play technology. Main Specification Parameters: Supported Media: Blu-ray (BD): BD-R 16x, BD-R DL 12x, BDXL (TL/QL) 8x/6x, BD-RE (rewritable) DVD: DVD+/-R 16x, DVD+/-R DL 8x, DVD-RAM 5x CD: CD-R 48x, CD-RW 24x Interface: SATA Features: Blu-ray 3D support, BDXL large-capacity disc (100GB/128GB) support, M-DISC (long-term storage) support, Silent Play (silent playback technology) support. Size: 146mm (width) x 41.3mm (height) x 165mm (depth) (excluding panel). Weight: Approximately 650g.