Product SpecificationsOverall Specs:Interface: USB 2.0Read Speed 24x (CD) / 8x (DVD) / 5x (DVD-RAM)Write Speed 24x (CD) / 6x (DVD-R) / 8x (DVD+R) / 6x (DVD±R DL) / 5x (DVD-RAM)Rewrite Speed 24x (CD) / 6x (DVD-RW) / 8x (DVD+RW) / 5x (DVD-RAM)Supported Recording Modes Multisession, packet writing, mixed mode, restricted overwrite, randomaccess write, incremental recording, sequential writeSupported CD Formats CD Text, CD Extra, CD-DA (audio), CD-ROM XA, Mixed-mode CD,Photo CD, Video CD, CD-ROM, CD+G (Karaoke CD), DVD-VideoSupported Media Types CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, DVD-RAM, DVD-RW,DVD+RW, DVD+R, DVD+R DL, DVD-R DLMedia Load Type TrayBuffer Memory Size 2 MBBuffer Underrun Technology YesAccess Time: CD 130ms (Random),DVD 160ms (Random)Compliant Standards Video CDSpeed Adjustment TechnologyTilt Actuator CompensationDouble OPC (optimum power control)ABS (Automatic Ball Balancing System) reduces vibration and noiseSupports both 8cm and 12cm optical discsWindows compatibilityTray Loading Drive for easy access to mediaSoftware applications included on the provided CD:Burn.Now: Data writing application for Windows XP/Vista/7WinDVD: DVD playback application for Windows XP/Vista/7Supported Disc Formats:Support discReadMaxSpeed:WriteMaxSpeed:RewritableCDCD-ROM 24X -- NCD-R 24X 24X NCD-RW 24X 24X YDVDDVD-ROM 8X -- NDVD+R 8X 8X NDVD+RW 8X 8X YDVD-R 8X 8X NDVD-RW 8X 6X YDVD-RAM 5X 5X YDVDDouble LayerDVD+R DL 8X 6X NDVD-R DL 8X 6X N