The difference between DVD-R, DVD+R, DVD+RW and DVD-RW explained
So many Desktop and laptops users might be confuse seeing
DVD-R, DVD+R, DVD+RW and DVD-RW by the side of their CD ROM so I decided to
make a research on it, and I decided to share it out with you guys.
I hope you will understand it after reading this posts
There's DVD+R, DVD+RW, DVD-R, DVD-RW, and even DVD-ROM!
So what's the difference between all of these different names, aren't all DVDs
the same? Well, it's not quite that simple.
Let's first start with the most obvious difference: some
have R and some have RW. The "R" stands for readable, while the
"W" stands for writeable.
The main difference between DVD-R and DVD-RW, or DVD+R
and DVD+RW is that the R disc formats can only be written to once, and then
it is only readable and can’t be erased for the rest of its digital life. While
RW discs are can be written to and erased many times, they are both readable
and writeable.
"R" discs are perfect if they are only needed to
be written to once, such as giving some files to a friend or transferring them
between PCs. "RW" discs have their strength in the ability to be used
many times over, which is great for routine system backups, etc. And naturally,
the RW discs are slightly more expensive than the R discs, but you'll have to
decide if the trade offs are worth the money.
Now, onto the difference between DVD-R and DVD+R. As I just described
above, DVD-R & DVD-RW are sister discs, the difference being one is
writeable once, while the other is writeable multiple times. The same thing is
true for DVD+R & DVD+RW. So the question is, what's the difference
between the plus and minus?
In order to explain this we must take a trip back in time.
When DVDs were first being developed, there was no industry standard. Multiple
companies were competing to develop what they hoped would be the dominant form
of the future.
The DVD-R DVD+R difference can easily be summarized by the
following:
* The DVD-R/RW
standard was developed by Pioneer, and is used primarily by Apple and Pioneer.
These "minus" discs can only be written to in one layer on the discs
surface. In addition, this format is supported by the DVD forum, but is in no
way an industry standard. DVD-R/RW discs are cheaper than the "plus"
format.
* The DVD+R/RW
format is supported by Philips, Dell, Sony, HP, and Mcft. These discs can be
written to in multiple layers, giving them slightly better and more disc
storage than the "minus" format. Because of this additional capacity,
they are slightly more expensive than "minus" discs.
A couple final things to clear up is the difference between
DVD-ROM and DVD+RW, or the other DVD formats I mentioned above. The DVD-ROM
drive can only read DVDs, while the other DVD drives can read and write data to
DVDs.
And naturally the DVD+RW CD+RW difference can be explained
by the "DVD" or "CD" prefix. DVDs, on average, can store up
to 4.7 GB of data, while a CD can only store about 700 MB of data, or about 15%
of a DVD's capacity. While CDs are slightly cheaper, in my opinion, the
benefits of DVDs are much greater.
So now that you've learned about the difference between
DVD-R, DVD+R, DVD-RW, DVD+RW, and even DVD-ROM, which one is right for you? The
easiest way to determine which is more beneficial is to watch the industry
trends. A few years ago all pre-built computers were shipping with DVD-ROM
drives. Today, most PCs have a burnable DVD drive.
I feel that the benefits of having a burnable DVD drive far
outweigh any additional costs. They store much more data, and they are ideal
for storing your home movies to watch on your DVD player.
My advice is to look at DVD burners that support all of the
major formats I've mentioned above, DVD-R, DVD+R, DVD-RW, and DVD+RW. While a
DVD drive that supports all of these formats may be slightly more expensive, it
will allow you to use any type of DVD disc to burn to, and you'll be protected
from any industry shifts to one format or the other.
I hope the info help…..
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