DVD-R: This is a one time only recordable format, similar to burning CDs with a CD-R.

FORBES: Standards tangle

But while CDs can only hold a maximum of 650 megabytes, Pioneer's DVD-R disc, already available, holds nearly 4 gigabytes of information.

FORBES: Standards tangle

The player supports several types of discs including DVD-Audio, DVD-RAM, DVD-R, CD-R and CD-RW. There's also an SD Memory card slot, so you can look at photos you may have saved from a digital camera.

FORBES: Magazine Article