9.5mm Internal SATA 8X DVD+RW Multi Drive Readable Formats CD: VCD,CD-ROM,CD-R,CD-RW DVD: DVD-ROM,DVD-R,DVD-R DL,DVD-RAM,DVD-RW,DVD+R, DVD+R DL,DVD+RW Read Speed DVD-ROM MAX 8X CAV CD-ROM MAX 24X CAV Write Speed CD-R :Max.24X CAV CD-RW :4X CLV High Speed CD-RW :10XCLV Ultra Speed CD-RW : Max.16X Zone CLV DVD-R :Max.8X CAV DVD-R DL :Max.6X Zone CLV DVD-RW :Max.6X Zone CLV DVD+R :Max.8X CAV DVD+R DL :Max.6X Zone CLV DVD+RW :Max.8X Zone CLV DVD-RAM :3X-5X PCAV ( 4.7GB)