These discs have CDs, DVDs, and Blu-rays beat where it counts
Whether we’re talking about CDs, DVDs, Blu-rays, or 4K UHD discs, one thing is the same across the board: they all share a common physical size. A standard, mainstream disc measures in at 4.7 inches (120mm) in diameter, with a thickness level of 0.05 inches (1.2mm).
