Liteon ihas124 24x dvdplusmnrw dual plusmnrram sata drive internal black half height internal dvdr dvdrw dvd r dvd rw dvdr9 dvd r9 dvd ram dvd rom cd r cd rw cd rom combination drive support double layer dvd r9 recording function seamless link avoiding buffer under run error automatically adjusting writing strategy amp walking opc to provide the best burning quality smart x function adjusts cd da vcd dvd data extraction to a fastest allowable speed accordin