LG WH14NS40 14X Internal Blu-ray DVD CD Rewriter Drive SATAExperience High Speed Blu ray Performance Introducing the LG WH14NS40, a high performance 14x internal SATA Blu ray Disc Rewriter. This drive supports BDXL and M DISC formats, providing versatile media compatibility and reliable data archiving. Features: Drive Type: Super Multi Internal SATA Blu ray Disc Rewriter BD R SL DL Write Speed: 14X 12X DVD R SL DL Write Speed: 16X 8X DVD+R SL DL Write Speed: 16X 8X CD RW Write Speed: 24X Buffer Memory: 4MB