Amacom Slimline CDRW/DVD-ROM Combo Drive. CD write speed: 24 x, CD rewrite speed: 24 x. CD read speed: 24 x. Drive device, buffer size: 2 MB, Interface: USB 2.0. Media types supported: CD-R, CD-RW, DVD-R, DVD-RW. Dimensions (WxDxH): 140 x 153 x 22 mm, Weight: 400 g