As of January 2010[update] (approximate pricing)

The price for discs and drives is about 8-10 times higher compared to DVD.

There are four versions of Blu-ray Disc Rewritable (BD-RE) and three versions of Blu-ray Disc Recordable (BD-R). Each version includes 3 Parts (a.k.a. Books): Basic Format Specifications, File System Specifications, Audio Visual Basic Specifications. Each part has sub-versions (e.g. R2 Format Specification includes Part 3: Audio Visual Basic Specifications Ver.3.02, Part 2: File System Specifications Ver. 1.11, Part 1: Basic Format Specifications Ver. 1.3).

Version 1.0 - RE 1.0

Version 2.0 - RE 2.0

Version 3.0 - RE 3.0

Version 4.0 - RE 4.0 - (BDXL)

Version 1.0 - R 1.0

Version 2.0 - R 2.0

Version 3.0 - R 3.0