Aopen DVDRW DSW2012PA - 20X DVD±R, 8X DVD±R DL, 48X CD-R writing speeds, 12X DVD-RAM, 8X DVD+RW, 6X DVD-RW, 32X CD-RW rewriting speeds, Effective buffer memory (2 MB), Adaptive writing speed adjustment, Running Optimum Power Control, Supports versatile writing mode, Smart reading speed detection, Auto Balance System, Emergency Eject Hole, Disc breakage protection, Mounting Orientation : Horizontal / Vertical.