A great value optical drive thats ideal for home or office builds offering decent read and write speeds main feautres 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 pro