Expand CD /DVD burner;. Burning speed: DVD+R 8X, DVD-R 8X; DVD+RW 8X, DVD-RW 6X; DVD+R9 6x(DL,Dual-layer, that is,Dual-layer 8.5G burning), DVD-R9 6X(DL, dual-layer, that is, minus dual-layer 8.5G burning); DVD-RAM 5x; CD-R 24X, CD-RW 24X; (Full function, read and burn speed are higher than the external optical drive).
eBay