SATA Half-Height internal DVD+R / DVD+RW / DVD-R / DVD-RW / DVD+R9/ DVD-R9/ DVD-RAM/DVD-ROM / CD-R/ CD-RW / CD-ROM combination drive. Support Double Layer DVD+/- R9 Recording Function SMART-BURN avoiding Buffer Under Run error, Automatically adjusting writing strategy & walking OPC to provide the best burning quality SMART-X function adjusts CD-DA / VCD / DVD data extraction to …