What difference between DVD-R/RW and DVD+R/RW?
In DVD-R and DVD+R can record data once, like CD-R. DVD-RW and DVD+RW can be rewritten hundreds of times, like CD-RW. DVD-R was first available in autumn 1997, DVD-RW came out in Japan in end of 1999, but wasn’t available in the U.S.A. until spring 2001. DVD+RW became available in autumn 2001. DVD+R was released in summer 2002. DVD-R/RW was developed by Pioneer, based on CD-RW technology. DVD+R/RW is supported by Dell, Sony, Yamaha, Philips, Ricoh, HP, and has recently been endorsed by Microsoft. DVD+R allows multiple layers for one disc where as DVD-R only allows one layer. Multi layer DVD+R can allow extra capacity per disc.
