Produplicator Bundle of LG 16x WH16NS40 Internal Blu-ray Writer with 1 Pack M-DISC BD and Cable Accessories LG internal drive bundle includes a 1 pack of M-DISC BD, SATA cable, 4 mounting screws M-DISC uses a non-volatile rock-like data layer, which is more durable than reflective organic dye-based layers found in conventional DVDs. It allows permanent data storage lasting up to 1000 years Burn speeds of 16x for BD-R, 16x for DVD-R/+R and 48x for CD-R, Read speeds of 12x for BD-R, 16x for DVD-R/+R and 48x for CD-R, DVD Dual Layer (DL) burn speed at 8x and read speed at 12x Operating system requirements : Windows XP, Windows Vista, Windows 7, Windows 8. Buffer size of 4.0MB with under-run prevention function embedded