Lenovo CD-ROM 48X-20X IDE, White, 0.125 MB, 16.6 MB/s, 48x, 85 ms, 1.2 kg Lenovo CD-ROM 48X-20X IDE. Product colour: White. Drive device, buffer size: 0.125 MB, Burst transfer rate: 16.6 MB/s. CD read speed: 48x. Access time: 85 ms. Weight: 1.2 kg