DVD’s New Cousin Can Store More Than a Petabit

DVD-like optical disc could store 1.6 petabits (or 200 terabytes) on 100 layers | Researchers showcase 1-petabit optical disc for more efficient mass storage

Meet the Super DVD: Scientists Develop Massive 1 Petabit Optical Disk

Disney Strikes Deal For Sony To Take Over Its DVD, Blu-ray Disc Business