~= 4 GiB 716 MiB 819 KiB 204 B 6 bit 2/5 bit
1 DVD-5 = 4.2746250983328E-12 ZiB
1 ZiB = 233938644207.66 DVD-5
https://www.unitjuggler.com/memory-umwandeln-von-DVD-5-nach-ZiB.html