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Is 42 zettabytes as much as a DVD?

It's about 10,000,000,000,000 times as much as a DVD
The amount of a DVD is about 0.00000000000430 zettabytes.
(a.k.a. digital video disc) (single-side, single-layer; DVD-5 specification)
A typical capacity digital video disc will hold 0.00000000000430 zettabytes of data. Such disks are 1.2 mm (0.047 in) thick.
There's more! See other comparisons to 42 zettabytes...