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HD or Blue Ray DVD

HD or Blue Ray DVD in Computer Industry News & Trends topic (part of our Computer Industry group).

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Sacramento, CA USA
At my company, we need to archive large volumes of data - more than can be put on a standard DVD.  I hear that HD and Blue Ray DVDs offer more capacity.  What's the difference?
 Posted 13 years ago (Thread Starter)
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Post ID #12225, 1 replies
Thread Started 10/12/2007 12:40:56 PM
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Location=Sacramento, CA USA 
Joined=13 years ago   MB Posts=1  
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Wes Peterson
Prestwood IT
Prestwood IT office in Citrus Heights, CA

Hey, Tad:

I see you're new here.  Welcome!

First off, what HD and Blue Ray DVDs have in common:  Both are relatively new, high-capacity DVD formats, available in single layer and dual layer configurations. They re presently vying for dominance in the industry; neither is, yet, a clear winner.

The differences are in two areas: Maximum capacity - and recording technology.

HD DVD single layer has a capacity of 15 GB. Dual layer is 30 GB.

Blue Ray DVD single layer has a capacity of 25 GB.  Dual layer is 50 GB.  To achieve the greater density, Blue Ray uses a blue laser. The shorter wave-length of blue light allows for denser recording.

You may want to check out these items in our Knowledge base:




Wes Peterson
Senior Software Engineer
Prestwood IT Solutions

 Posted 13 years ago
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About Wes Peterson

Wes Peterson is a Senior Programmer Analyst with Prestwood IT Solutions where he develops custom Windows software and custom websites using .Net and Delphi. When Wes is not coding for clients, he participates in this online community. Prior to his 10-year love-affair with Delphi, he worked with several other tools and databases. Currently he specializes in VS.Net using C# and VB.Net. To Wes, the .NET revolution is as exciting as the birth of Delphi.

Post ID #12226 (Level 1.1)  Reply to 12225
Thread Started 10/12/2007 1:16:39 PM
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Location=Prestwood IT office in Citrus Heights, CA 
Joined=16 years ago   MB Posts=158   KB Posts=163   KB Comments=34   BLOG, Topics=20  

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