In working WithLaptopForm Factor5.25 inTypeInternal (Laptop)MPNGT20NReadable FormatCD-R, CD-ROM, CD-RW, DVD+R Dual Layer, DVD+RW, DVD+RW Dual Layer, DVD-R, DVD-R Dual Layer, DVD-ROM, DVD-RWInterfaceSATA SlimlineWritable FormatCD-R, CD-RW, DVD+R, DVD+R Dual Layer, DVD+RW, DVD+RW Dual Layer, DVD-R, DVD-R Dual Layer, DVD-RW, DVD-RW Dual