Iomega CDRW+DVD 52x24x52 16xDVD USB2.0 ext, USB 2.0, 2 MB, 120 MB/s, 52x, 32x, 52x Iomega CDRW+DVD 52x24x52 16xDVD USB2.0 ext. Interface: USB 2.0, Drive device, buffer size: 2 MB, Burst transfer rate: 120 MB/s. CD write speed: 52x, CD rewrite speed: 32x. CD read speed: 52x. Access time: 80 ms. Weight: 2.1 kg