Lenovo Slim DVD Burner II. Colour of product: Black, Disc loading type: Tray. Interface: Serial ATA, Drive device, buffer size: 2 MB. CD write speed: 24x, CD rewrite speed: 16x, DVD+R write speed: 8x. CD read speed: 24x. DVD drive average random access time: 150 ms, CD-ROM drive average random access time: 150 ms