LG 14x WH14NS40 Internal Blu-ray Writer Bundle with Nero Essentials Burning Software and Cable Accessories LG internal drive bundle includes a Nero burning software, SATA cable, and 4 mounting screws Operating system requirements : Windows XP, Windows Vista, Windows 7, Windows 8 Maximum burn speeds of 14x for BD-R, 16x for DVD-R/+R and 48x for CD-R, maximum read speeds of 12x for BD-R, 16x for DVD-R/+R and 48x for CD-R Maximum DVD Dual Layer (DL) burn speed at 8x and read speed at 12x Buffer size of 4.0MB with under-run prevention function embedded