Iomega Super DVD Writer 16x Dual-Format USB 2.0 Drive. CD write speed: 40 x, CD rewrite speed: 24 x. CD read speed: 40 x. Interface: USB 2.0 . Media types supported: CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, DVD-RW, DVD+RW, DVD+R, DVD+R DL. Burst transfer rate: 21.6 MB/s