22 November 2021
The capacity of a general recordable DVD is 4.7GB on one side. The double-sided version is twice that, 9.4GB. However, it is not possible to record data of 4.7GB or more on both sides at once, so in that case, it is necessary to divide it into capacities of 4.7GB or less, record on one side, then turn the disk over and record on the other side. there is.
Some DVD-Rs and DVD + Rs have a capacity of 8.5GB on one side, which enables single-sided dual-layer recording.