This is original Dell part for Dell Latitude E6420 E6430 E6430s E6320 E6330 series laptops. * It comes with original customized faceplate and mounting caddy for plug & play * Write Speed: DVD-R: 8x max. DVD+R: 8x max ; DVD-RW: 6x max. DVD+RW: 8x max ; DVD-R DL: 6x max. DVD+R9: 6x max ; DVD-RAM: 5x max; CD-R: 24x max. CD-RW: 24x max ;