BenQ DVD-ROM 1650T White, 0.5 MB, 33.3 MB/s, OS: Windows 95/ 98/ ME / NT 4.0/ 2000/ Xp, 48x, 85 ms, 1.1 kg BenQ DVD-ROM 1650T White. Drive device, buffer size: 0.5 MB, Burst transfer rate: 33.3 MB/s, Compatible products: OS: Windows 95/ 98/ ME / NT 4.0/ 2000/ Xp. CD read speed: 48x. Access time: 85 ms. Weight: 1.1 kg. Dimensions (WxDxH): 148 x 198 x 42.3 mm