12.7mm Height Internal Max 8x DVD±R Write Speed Max 24X CD Write Speed M-DISC Support Running OPC (Optimize Power Control) Circuit Buffer Under-Run Prevention Function Embedded TRANSFER RATES-WRITE: *Type Super Multi Notebook 8x DVD RewriterCD-R: 10x CLV, 16x, 24x CAV CD-RW 4x, 10x CLV, 16x ZCLV, 24x ZCLV (High Speed: 10x CLV,Ultra Speed: 24x ZCLV, Ultra Speed plus: 24x ZCLV)DVD+R 4x PCAV, 8x CAV DVD+R DL 2.4x CLV, 4x PCAV, 6x PCAVDVD+RW 2.4x, 3.3x CLV, 4x ZCLV, 8x ZCLV (8x Speed disc: 3.3x CLV, 8x ZCLV) DVD-R 4x PCAV, 8x CAVDVD-R DL 2x CLV, 4x PCAV, 6x PCAV DVD-RAM 2x, 3x CLV, 5x PCAV(Ver.2.2)DVD-RW 2x CLV, 4x, 6x ZCLV M-DISC 4x *TRANSFER RATES - READ (MAX): DVD-R/RW/ROM 8x/8x/8x max.DVD-R DL 8x max. DVD-Video(CSS Compliant Disc) 4x max (Single/Dual layer)DVD+R/+RW 8x/8x max. DVD+R DL: 8x maxM-DISC 8x DVD-RAM (Ver.2.2): 5x max.CD-R/RW/ROM; 24x/24x/24x max. CD-DA (DAE): 24x max. IT