Dell External USB Slim DVD +/- RW Optical Drive - DW316. Black. 1 x Hi-Speed USB Interface. Up to 8X (DVD-ROM/+R/+RW/+R double/RAM) / Up to 24X (CD-R/RW) Read Speed. DVD +/- RW Drive Type. CyberLink Media Suite Software. Microsoft Windows 8, Windows 7 OS.