Readable Format

C D: 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)