Iomega CD-RW 52x / DVD-ROM 16x Plus 7-in-1 Card Reader. CD write speed: 52 x, CD rewrite speed: 24 x. CD read speed: 52 x. Access time: 80 ms. Drive device, buffer size: 2 MB, Track to track seek time (read/write): 95 ms, Interface: USB 2.0. Drive device speed: 10500 RPM, Burst transfer rate: 120 MB/s