DVD, the shortened name of Digital Versatile Disk is extremely popular today when it is the matter of convenient movie and data storage. Big companies in Electronics business Toshiba, Sony and Philips introduced it in 1995. Its data storage capability is 7 times or more than the capacity of CDs and it rapidly become the number one option for data and movie storage. You will find many variations of DVDs. Mostly what we see these days are DVD R and DVD-R models. But new types are arriving like Blue Ray DVD and HD-DVD.

There are a few dissimilarities between DVD R DL, DVD DL and other types of DVD R. With a good knowledge about them, you'll be able to purchase the suitable one for you.

To begin with, you must check what categories of DVD your DVD burner or player can run. Some DVD burners and players just support DVD-R types whereas some supports DVD R. In addition there are some players that support multiple types of DVDs.

DVD-R and DVD R type DVDs can only be burned just once. Both have the capability to store 4.7 Gigabytes. However, DVD forum (The group of all software and hardware companies related with DVDs) supports the DVD-R category and it's and burners.

In case you want to use DVD as temporary data storing unit, you can buy rewritable ones. A few DVD types that can be burned several times are DVD-RAM, DVD RW and DVD-RW.

New technology like HD-DVD and Blue Ray DVDs are coming that can store large sum of data (HD 30 gigabytes and blue ray 50 gigabytes). But, most of the people seem to be happy with the present storage capacity of the DVD R and DVD-R types and those are yet to make their mark in the market.

Remember, DVD-R and other categories of DVDs, all can store data but usually are not compatible with all burners and players. Therefore, before you buy a DVD, read the manual of the DVD player or burner or get in touch with the vendor to find out what types are supported.

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