Genuine DELL 16X DVD+RW 48X CD Burner Drive For any system that accepts full size optical drive & SATA Connection Read speed: DVD: 16x max. CD: 48x max Write speed: DVD-R: 20x max. DVD +R: 20x max; DVD-RW: 6x max. DVD +RW: 8x max; DVD-R DL: 12x max. DVD +R9: 8x max; DVD-RAM: 12x max; CD-R: 48x max. CD-RW: 32x max Motorized tray load mechanism for horizontal and vertical use