Optical Disc Archive
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|Media type||Optical disc|
|Capacity||Up to 5.5 TB|
|Developed by||Sony Corporation|
|Usage||Long-term data storage|
Optical Disc Archive is a proprietary storage technology that was introduced by the Sony Corporation. It uses removable cartridges, where each cartridge holds 11 optical discs. Each of the internal optical discs is similar to, but not compatible with, a Blu-ray disc. The latest version of the cartridge, that has a total capacity of about 5.5TB, uses discs that hold about 500GB each. The technology was publicly announced  on 16 April 2012 during the NAB Show with the first units shipping in February 2013.
|Product||Introduced||Gen.||Capacity (GB)||Write Type|
|Product||Introduced||Category||Maximum Number of Drives||Number of Slots||Reads Media Generation||Writes Media Generation|
|ODS-D55U||2013||Stand Alone Drive||1||N/A||1||1|
|ODS-D77U||2014||Stand Alone Drive||1||N/A||1||1|
|ODS-D280U||2016||Stand Alone Drive||1||N/A||1,2||1,2|
|ODS-D380U||2019||Stand Alone Drive||1||N/A||1,2,3||2,3|
|PetaSite EX Master Module||2019||Library Master||21||912||1,2,3||2,3|
|PetaSite EX Cartridge Extension Module||2019||Library Extender||0||816||n/a||n/a|
|PetaSite EX Drive Extension Module||2019||Library Extender||21||96||1,2,3||2,3|
*Depending on configuration.
Generation 3 of the Optical Disc Archive technology was announced for early-2020 release. Generation 3 increased the cartridge capacity to 5.5TB, the read speed to 375MB/s and the write speed (with verification on) to 187.5MB/s.
Sony Corporation and Panasonic Corporation on announced on 10 March 2014 their cooperation in producing a new media trademarked as Archival disc. The Archival disc media will be used in future Optical Disc Archive Media to achieve at least 6TB of storage.
- "Sony Announces Optical Disc Archive Generation 3 New Long-Life Media with Increased Capacity and Higher Speed Drive". pro.sony. Retrieved 15 November 2019.
- "Sony Moves Industry toward the Creation of New Mass-Storage Optical Disc Archive Solutions" (Press release). Sony Corporation. 16 April 2012.
- "Digital Data Storage Outlook 2017" (PDF). Spectra. Spectra Logic. 2017. p. 7(Solid-State), 10(Magnetic Disk), 14(Tape), 17(Optical). Retrieved 11 July 2018.