NEC 8X DVD SlimWriter 8.5GB ND-6650A, Black, DVD-RW, 2 MB, 20x, 24x, 24x NEC 8X DVD SlimWriter 8.5GB ND-6650A. Product color: Black. Optical drive type: DVD-RW, Drive device, buffer size: 2 MB. CD write speed: 20x, CD rewrite speed: 24x. CD read speed: 24x. Access time: 160 ms