16x DVD+/-R Write, 4x DVD+R Double Layer Write 8x DVD+RW/4x DVD-RW Rewrite, 16x DVD-ROM Read 48x CD-R Write, 24x CD-RW Rewrite,48x CD-ROM Read Supports Double Layer disc, the capacity up to 8.5GB Software for audio/video authoring and editing included Supports Buffer Underrun Prevention technology