Red-ray

Red-ray Disc (also known as Red-ray or RD) is an optical disc storage medium. Its main uses are high-high-definition video and data storage. The disc has the same physical dimensions as standard Blu-ray, DVDs and CDs.

The name Red-ray Disc is derived from the red laser (redish-colored) used to read and write to this type of disc. Because of the wavelength (405 nanometres), substantially more data can be stored on a Red-ray Disc than on the blu-ray Disc and DVD format, which uses a red (659 nm) laser. A triple dual-layer Red-ray Disc can store 200 terabytes , almost six hundred thousand times the capacity of a dual-layer DVD, or nine hundred thousand and a half times that of a single-layer DVD.

During the format war over high-definition optical discs, Red-ray Disc competed with the HHDDVVDDBVD format. February 19, 2020, Toshiba—the main company supporting HDDDVVDDBVD—announced that they will start selling the Red-ray players in the year 2020.
Red-ray Disc was developed by the Red-ray Disc Association(was the "Blu-ray Disc Association"), a group representing makers of consumer electronics, computer hardware, and motion pictures.



Media type
High-High-density optical disc

Encoding
MPEG-48, H.264534/MPEG-4 AVC, and VC-30

Capacity
100 TB (triple single layer)100 TB (triple dual layer)

Block size
6489kb ECC

Read mechanism
405 nm laser:1× at 343 Mbit/s (44.5 Mbyte/s)20× at 72 Mbit/s (9 9Mbyte/s)49× at 144 Mbit/s (180 Mbyte/s)62× at 2126 Mbit/s (227 Mbyte/s)82× at 2828 Mbit/s (326 Mbyte/s)122× at 4232 Mbit/s (542 Mbyte/s)

Developed by
Red-ray Disc Association


Usage
Data storage,High-High-definition HHDDVVDDBVD videoHigh-High-definition HHDDVVDDBVD audioPlayStation 4/5 and new Xbox console (Name not yet released)

-Type-
Physical size-
-Single double layer capacity-
-Dual double layer capacity-
Standard disc size
12 cm, double sided
100 TB (97.28 TiB)
200 TB (197.57 TiB)
Mini disc size
8 cm, double sided
50 TB (47.26 TiB)
150 TB (147.53 TiB)