Comparison
MEDIUM DIAMETER SIDES THICKNESS CAPACITY
CD Audio 120 mm 1 1.2 mm 80 minutes
CD ROM 120 mm 1 1.2 mm 700 Mb
CD Card 58 x 85 mm 1 1.2 mm 30 Mb
DVD 5 120 mm 1 2 discs / 0.6 mm 4.7 Gb / 135 minutes
DVD 9 120 mm 1 2 discs / 0.6 mm 8.5 Gb / 245 minutes
DVD 10 120 mm 2 2 discs / 0.6 mm 9.4 Gb / 270 minutes
Blu-Ray 25 120 mm 1 2 discs / 0.6 mm 25 Gb
Blu-Ray 50 120 mm 2 2 discs / 0.6 mm 50 Gb