DVD+R : 8X DVD-R : 8X DVD+RW : 8X DVD-RW : 8X DVD-ROM : 8X DVD+R(DL) : 8X DVD-R(DL) : 8X DVD-ROM(DL) : 8X DVD-RAM : 5X CD-R : 24X CD-RW : 24X CD-ROM : 24X DVD Video Playback : 4X VCD Playback : 10X Write Speed DVD+R : 8X DVD-R : 8X DVD+RW : 8X DVD-RW : 6X DVD+R(DL) : 6X DVD-R (DL) : 6X DVD-RAM : 5X CD-R : 24X CD-RW : 16X Writing Mode DVD+R & DVD+R (DL) : Sequential Write DVD-R & DVD-R(DL) : DAO/Incremental Recording DVD+RW : Random Write DVD-RW : DAO/Restricted Overwrite/Incremental Recording DVD-RAM : Random Write CD-R/RW : DAO/TAO/SAO/Packet Write Access time DVD : 160 ms CD : 140 ms Interface USB 2.0 Data Buffer 1 MB OS Support Windows 7 Windows Vista Windows XP Mac OS X 10.5 or higher System Requirements Processor: Intel Pentium 4 20GHz or AMD Athlon 2100+ or higher Memory: 512MB or more is recommended HDD: 10 GB or more Software Cyberlink Power2Go E-Green Disc Formats Audio CD, Video CD, CD-I, CD-Extra, Photo CD, CD-Text, CD-ROM/XA, Multi-session CD, DVD Video Disc Diameters 12cm/8cm Mounting Orientation Vertical and Horizontal (+5 -5 ) Dimensions 157 x 142 x 21 cm (LxWxH) Weight 313 g 353 g (With Stand) Power USB Power +5V 5% Temperature Operating : 5 to 40 Storage : -30 to 60 Humidity Operating : 15 % 80 % (Non-condensing)