Iomega DVD+ -RW 4x12x 24x16x32 ext USB2.0. Drive device, buffer size: 2 MB. CD write speed: 32x, CD rewrite speed: 16x. CD read speed: 24x. Bundled software: Quick Install guide, Solutions CD with drivers and software Iomega HotBurn Pro, Sonic MyDVD, Sonic.... Minimum system requirements: 550MHz Pentium III compatible, Microsoft Windows 98/98SE/2000/Me/XP, 75 MB hard drive space..., Write methods: Disc at once, session at once, track at once and packet write, incremental recording and..., Dimensions (WxDxH): 244 x 305 x 147 mm