DVD-RW stands for DVD rewritable or re-recordable. It is one of the official formats endorsed by the DVD Forum. It has a capacity of 4.7GB, is recorded sequentially like a CD-R, but unlike a CD-R it can be overwritten 1000 times using phase change material instead of organic dye material. ''RW'' as it is also known, has a data storage life of 30-50 years. DVD-RW is basically the rewritable cousin of the DVD-R format from Pioneer. DVD-RW is very sim
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