Lite-On HP dvd1070i Multiformat DVD Writer. CD write speed: 48 x, CD rewrite speed: 32 x, DVD+R write speed: 20 x. CD read speed: 48 x, DVD-ROM read speed: 16 x. DVD drive average random access time: 130 ms, CD-ROM drive average random access time: 130 ms. Minimum system requirements: 800 MHz Intel Pentium III, 1.6 GHz Pentium IV processor, IEEE 1394 port, Minimum RAM: 128 MB, Compatible operating systems: Microsoft Windows Vista/XP SP2/2000 Professional SP4. Operating relative humidity range: 15 - 80 %, Operating temperature range (T-T): 5 - 50 °C, Storage temperature range (T-T): -40 - 65 °C