Samsung SH-M522C - Combo Drive, Ivory. CD write speed: 52 x, CD rewrite speed: 32 x, CD-R write speed: 52 x. CD read speed: 52 x, DVD+R read speed: 12 x, DVD-R read speed: 12 x. DVD drive average random access time: 150 ms, Access time: 130 ms. Drive device, buffer size: 2 MB, Interface: EIDE (ATAPI), Mounting: Vertical/Horizontal. Dimensions (WxDxH): 148.2 x 184 x 42 mm