LG GS21N
DVD RW DL, internal slender, SATA, buffer: 2 MB, CD reading speed: 24x, DVD: 8x, CD-R: 24x, CD-RW recording speed: 16x, DVD+R: 8x, DVD-R: 8x, DVD+RW: 4x, DVD-RW: 4x, DVD+R DL: 4x, DVD-R DL: 4x
DVD RW DL, internal slender, SATA, buffer: 2 MB, CD reading speed: 24x, DVD: 8x, CD-R: 24x, CD-RW recording speed: 16x, DVD+R: 8x, DVD-R: 8x, DVD+RW: 4x, DVD-RW: 4x, DVD+R DL: 4x, DVD-R DL: 4x