DVD is an optical disc storage media format, invented and developed by Philips, Sony, Toshiba, and Panasonic in 1995. DVDs offer higher storage capacity than Compact Discs while having the same dimensions.
DVD Capacity, 4.7 GB (single-sided, single-layer – common)
8.5–8.7 GB (single-sided, double-layer)
Blank recordable DVDs (DVD-R and DVD+R) can be recorded once using optical disc recording technologies and supported by optical disc drives and DVD recorders and then function as a DVD-ROM. Rewritable DVDs (DVD-RW,DVD+RW, and DVD-RAM) can be recorded and erased multiple times.
RM65-50 = 50PCS