LITE-ON LH-20A1S-15 20x Internal SATA DVD Dual RW Double Layer Super All-Write Black Bulk Lite-On LH-20A1S 20x DVDRW Double LayerSATA Drive General Features: Black bezel SATA interface 160 ms access time Supports Double Layer DVDRW R9 Recording Function SMART-BURN avoiding Buffer Under Run error SMART-X function Write Speed: DVD+R: 20x DVD-R: 20x DVD+R9: 8x DVD-R9: 8x DVD-RAM: 12x CD-R: 48x ReWrite Speed: DVD+RW: 8x DVD-RW: 6x CD-RW: 32x Read Speed: