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Question How much data can I fit on Blu-ray Disc™
media?
Answer
A single layer disc can hold 25 GB
1
.
A dual layer disc can hold 50 GB
1
.
Blu-ray Disc includes support for multi-layer
discs, which should allow for storage up to
100 GB
1
- 200 GB
1
of data in the future.
Question How much video can I fit on a Blu-ray Disc?
Answer Up to 9 hours of high definition (HD) video
on a 50 GB
1
disc.
Up to 23 hours of standard definition (SD)
video on a 50 GB
1
disc.
Question Will Blu-ray discs require a cartridge?
Answer No, the development of low cost hard-
coating technologies has made the
cartridges obsolete. Blu-ray will instead rely
on a hard-coating for protection.
Question Will Blu-ray players be backwards
compatible with DVD?
Answer Yes, several leading consumer electronics
companies are marketing products that can
read/write CDs, DVDs, and Blu-ray discs
using a BD/DVD/CD compatible optical
drive.