Max. 24X DVD-R Write Speed Super-Multi CD-R/RW/DVD-R/-R/DL/-RW/+R/+R DL/+RW/RAM Read and Write Compatible, CD Family and DVD-ROM Read Compatible M-DISC Support 0.5MB Buffer Memory LG (Hitachi-LG) Super-Multi GH24NSC0.AUAA10B internal SATA DVD rewriter with a 22x DVDR write speed and built in SecureDisc technology that allows you to protect and share data securely. Designed for storage needs that demand consistency, the GH24NS90 can read and write in CD, DVDR, DVDRW, and DVD RAM formats. Write Speed - DVD-R 24x - DVD+R 24x - DVD-RW 6x - DVD+RW 8x - DVD-RAM 12x - DVD-R DL 12x - DVD+R DL 12x - CD-R 48x - CD-RW 32x Read Speed - DVD-R 16x - DVD-RW 12x - DVD-RAM 12x - CD-R 48x - CD-RW 40x - CD-ROM 48x