Blu-ray Disc Association
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Blu-ray Disc for Data

How does the capacity of a Blu-ray Disc compare to other media?
A Blu-ray Disc can hold up to 50 gigabytes of data. This compares to about 10 recordable DVDs (or 5 double-layer DVDs), or around 70 recordable CDs. As a result, Blu-ray Disc is the ideal, cost-effective, removable storage medium for the storage of large amounts of data and video.

What kind of data can be stored on a Blu-ray Disc?
Any form of data available on a PC can be stored to a Blu-ray Disc, including text documents, images, video and audio files. Using the appropriate software or operating support, a Blu-ray Disc can offer the functionality of a large removable hard disk drive.

Can I record video to a Blu-ray Disc using a PC?
Yes. Using the appropriate software, you can edit standard or High Definition video (for example from a camcorder) and then record it to a Blu-ray Disc. When recorded in the Blu-ray Disc video format, the end result can be played in a Blu-ray Disc player connected to a TV.