Hi,

there are actually three competitive recordable DVD formats - DVD-RAM (oldest), DVD-R(W) and DVD+R(W). DVD-R and DVD+R are actually not compatible at all as the data layouts and error management technologies are different. DVD-R comes from Pioneer, DVD+R from DVD+RW Alliance (Philips, Sony, Yamaha etc). Theoretically, +R should be more advanced and error-proof (also less dependable of media quality), but practically (thanks to advanced drives and precise media) there's no significant difference. Today, most of the hardware are DVD-Multi or hybrid readers/writers that can handle both "plus" and "dash" formats. So-called Super Multi drives can read/write also DVD-RAM.

BR, Margus


John Celio wrote:
Short answer - Verbatim Archival Grade is the best, known brands work fine, avoid cheap media.

Long answer ( if you are interested) based to some research we made here
<big snip>

Very informative!  Thanks for relaying that so succinctly.  I had always
figured Verbatim was a cheapo brand, but apparently not!

Now, would someone remind me of the difference between DVD-R and DVD+R?

John

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