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Old 12-19-2004, 08:17 AM   #1
Registered: Nov 2004
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DVD Drives - Dual Layer or double layer?

What's the difference between dual layer and double layer DVD recording drives? Everything I read they are the same thing but different manufactures use both terms. I want to get the Lite On SOHW1633s drive but I want to know if it will record the 8.5 GB capacity. Thanks
Old 12-19-2004, 05:02 PM   #2
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Double layer definitely stands for the capability of the drive to write 8,5 media
Dual layer should mean the drive is capable to write either DVD-R and DVD+R media. This is more often defined as dual standard.
Hope this helps
Old 09-23-2009, 09:30 PM   #3
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Pretty sure the difference is actually the terms used by the 2 competing standards. +R calls it double layer and -R calls it dual layer.

Either way they both just allow data to be written to about 8.5GB, approximately twice that of standard DVD's.


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