THINKPAD ULTRABAY ENHANCED BLU-RAY ThinkPad Ultrabay Enhanced Blu-ray Burner (43N3200) Supports read/write compatibility with multiple CD, DVD, and Blu-ray standard formats including CD-R, CD-RW, DVD-RAM, DVD+/-R, DVD+/-RW, DVD-ROM, DVD+R Double Layer, DVD-R Dual Layer media, BD-R/BD-RE Single Layer, and BD-R/BD-RE Double Layer Media.