Blu-ray - Wikipedia, the free encyclopedia
Blu-ray Disc Media type High-density optical disc Encoding H.262/MPEG-2 Part 2 H.264/MPEG-4 AVC VC-1 Capacity 25 GB (single-layer) 50 GB (dual-layer) 100/128 GB (BDXL) Block size 2 KB sector, [1] 64 KB ECC-block [2] Read mechanism 405 nm diode laser ......