Internal SSD -USB 3.0 CD-ROM Drive Portable Optical Drive External DVD Burner Black Highlights generic brand USB 3.0 CD-ROM Drive Portable Optical Drive External DVD Burner Black Description: Interface: USB3.0 , compatible with 2.0 and 1.0 interface Read speed: 24X CD-ROM, 8X DVD-ROM Burn speed: 8X DVD+R, 8X DVD-R; 8X DVD+RW, 6X DVD-RW; 6X DVD+R9 (DL, dual layer, plus dual 8.5G); 6X DVD-R9 (DL, double layer, i.e. double 8.5G); 5X DVD-RAM; 24X CD-R, 24X CD-RW (Full speeds, read and write speeds are higher in USB drive) Cache size: 2MB Plug and play free drive (except Windows 98SE system) Support for Operating System Windows 98 SE / ME / 2000 / XP / Win 7, Win 8 Support DOS Boot (Boot and Install XP and other OS) Specification: Burner Size: Approx. 148.5x142x17.5mm / 5.85x5.59x0.69inch Package includes: 1pc Optical Drive DVD Burner 1pc User Note: Please allow 0.5-1 inch differs due to manual measurement. (1inch=2.54cm) Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.