LG Super Multi DVD-Burner GSA-H50L LightScribe Bulk Black. CD write speed: 48 x, CD rewrite speed: 32 x. CD read speed: 48 x, DVD+R read speed: 16 x, DVD-R read speed: 16 x. DVD drive average random access time: 140 ms. Disc loading type: Tray, Drive device, buffer size: 2 MB. Data transfer rate (max): 185.9 Mbit/s