Freecom CD-RW DVD 12xDVD 10xRW16xW40xR IDE int. CD write speed: 16 x, CD rewrite speed: 10 x. CD read speed: 40 x. Drive device, buffer size: 2 MB, Interface: IDE/ATA. Write methods: Multisession, disk-at-once, track-at-once, packet writing, mixed mode, session-at-once. Dimensions (WxDxH): 147 x 200 x 42 mm, Weight: 1 kg