Extreme 24X DVD writing speed with M-Disc support (OEM version) Internal DVD writer 24X DVD writing speed M-Disc support 1000-years storage solution E-Green saves over 50% of power consumption Back up data for your Android devices* ASUS Webstorage (Unlimited webstorage for 6 months)* Double the security with Disc Encryption II through password control and hidden file name functionality** Read Speed DVD+R : 16X DVD-R : 16X DVD+RW : 13X DVD-RW : 8X DVD-ROM : 16X DVD+R(DL) : 12X DVD+R(SL, M-DISC) : 12X DVD-R(DL) : 12X DVD-ROM(DL) : 12X DVD-RAM : 5X CD-R : 48X CD-RW : 40X CD-ROM : 48X DVD Video Playback : 6X VCD Playback : 24X Audio CD Playback : 10X Write Speed DVD+R : 24X DVD-R : 24X DVD+RW : 8X DVD-RW : 6X DVD+R(DL) : 8X DVD-R(DL) : 8X DVD+R(SL, M-DISC) : 4X DVD-RAM : 5X CD-R : 48X CD-RW : 24X Writing Mode DVD+R & DVD+R(DL) : Sequential Recording DVD-R & DVD-R(DL) : DAO DVD+RW : Random Write DVD-RW : DAO/Restricted Overwrite/Incremental Recording DVD-RAM : Random Write CD-R/RW : DAO/TAO/SAO/Packet Write System Requirements CPU: Intel Pentium® 300 MHz or higher RAM: 128 MB or more is recommended HDD: 10GB or more Software CyberLink Power2Go 8 CyberLink PowerBackup 2.5 E-Green Dimensions 146 x 170 x 41 mm (WxDxH) Disc Diameters 12cm/8cm Weight 650 g