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Blu-ray
Blu-ray Disc.svg
BluRayDiscBack.png
Reverse side of a Blu-ray. Unlike CD and DVD, the reflection has a blue hue.
Media typeHigh-density optical disc
EncodingData encoding: CLV or Zoned CAV pits-and-lands with interleaved error correction code
BDMV Video encoding: H.262/MPEG-2 Part 2
H.264/MPEG-4 AVC
VC-1
H.265/HEVC (only Ultra HD Blu-ray)
Capacity25 GB (single-layer), 50 GB (dual-layer)
100, 128 GB (BDXL)
Up to four layers are possible in a standard form BD.
Block size2 KB sector,[1] 64 KB ECC-block[2]
Read mechanism405 nm diode laser, 36 Mb/s
Write mechanism405 nm diode laser with a focused beam using more power than for reading
Developed bySony
Blu-ray Disc Association[3]
Dimensions12 cm (4.7 in) diameter
1.2 mm thickness[4][note 1]
UsageData storage
High-definition video
High-resolution audio
Stereoscopic 3D
PlayStation 3 games
PlayStation 4 games
PlayStation 5 games
Xbox One games
Xbox Series X games
Extended fromDVD
Extended toArchival Disc
ReleasedJune 20, 2006; 14 years ago (2006-06-20)