447310-001 Compaq 16x Dvd-Rw Sata Lightscribe Optical Drive BURNER TYPE: DVDRW DUAL LAYER READ SPEED: 16X (DVD),48X (CD) WRITE SPEED: 48X (CD) / 16X (DVDR) / 4X (DVD-R DL) / 8X (DVD+R DL) REWRITE SPEED: 32X (CD) / 6X (DVD-RW) / 8X (DVD+RW) BUFFER SIZE: 2 MB