Apple MC684ZM/A. CD write speed: 24 x, CD rewrite speed: 16 x, DVD+R write speed: 8 x. CD read speed: 24 x, DVD+R read speed: 8 x, DVD-R read speed: 8 x. Dimensions (WxDxH): 139 x 139 x 17 mm, Weight: 0.32 kg. Minimum system requirements: - MacBook Air - Mac Mini Server. Colour of product: Silver