Sony DVD Dual RW Drive DRU-720A. CD write speed: 48 x, CD rewrite speed: 32 x. CD read speed: 48 x. DVD drive average random access time: 135 ms, Access time: 140 ms. Drive device, buffer size: 2 MB, Interface: EIDE (ATAPI). Dimensions (WxDxH): 145.8 x 165 x 41.3 mm, Weight: 900 g