What Is The Difference Between Single Layer And Double Layer DVD?

What Is The Difference Between Single Layer And Double Layer DVD? Dual-layer recording allows DVD-R and DVD+R discs to store significantly more data, up to 8.5 gigabytes per disc, compared with 4.7 gigabytes for single-layer discs. … A dual-layer disc differs from its usual DVD counterpart by employing a second physical layer within the disc