Fujitsu DVD±RW Dual Layer Burner. CD write speed: 24 x, CD rewrite speed: 16 x. CD read speed: 24 x. Drive device, buffer size: 2 MB. Dimensions (WxDxH): 128 x 127 x 12.5 mm, Weight: 0.145 kg. Operating relative humidity range: 0 - 70 %, Operating temperature range (T-T): 5 - 50 °C