Digital Versatile Disk Random Access Memory

Digital Versatile Disk Random Access Memory

(storage)(DVD-RAM) Rewritable DVD media that is recordableon both sides, giving up to 9.6GB of storage. A drive canrecord to disk and read from it at the same time, so the termfull duplex is often used. There are two general types ofmedia: traditional discrete disk in DVD or Jewel case, and onein a permanent case like a large floppy; the disk remains inthe case, and the case goes into the drive. The former cansometimes be read by regular DVD drives; the latter obviouslycannot.

Technical details, somewhat dated, at burnworld.com.