Liteon iHAS324 24X DVD-RW SATA Optical Disk Drive ABS system reduce vibration and noise during recording and reading SMART-X function adjusts CD-DA/VCD/DVD data extraction to a fastest allowable speed according to both data request rate from host and disk quality Support Double Layer DVD+/-R9 Recording Function 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 SMART-BURN avoiding Buffer Under Run error, Automatically adjusting writing strategy & walking OPC to provide the best burning quality 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 a fastest allowable speed according to both data request rate from host and disk quality ABS system reduce vibration and noise during recording and reading