Definition[]
DVD-R is a DVD recordable format. A DVD-R typically has a storage capacity of 4.71 GB (or 4.39 GiB), although the capacity of the original standard developed by Pioneer was 3.95 GB (3.68 GiB).
Overview[]
Both values are significantly larger than the storage capacity of its optical predecessor, the 700 MB CD-R — a DVD-R has 6.4 times the capacity of a CD-R. Pioneer also developed an 8.54 GB dual layer version, DVD-R DL, which appeared on the market in 2005.
Data on a DVD-R cannot be changed, whereas a DVD-R(W) (DVD-rewritable) can be rewritten multiple (1000+) times. DVD-R(W) is one of three competing industry standard DVD recordable formats; the others are DVD+R(W) and DVD-RAM.
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