iGuerburn DVD Drive for Dell Latitude E6420 E6430 E6520 E6530 E6320 E6330 Sata Cd Dvd-rom/ram Dvd-rw Drive Writer Burner Read Speed: DVD: 8x max. CD: 24x max. 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 ; CD-R: 24x max. CD-RW: 24x max Compatibility: All Windows OS Compatible with Dell Latitude E6320 E6330 E6420 E6430 E6430-ATG E6430s E6520 E6530 E6440 E6540