From the video: 24 magazines/rack \* 36 cartridges/magazine \* 12 discs/cartridg... | Hacker News

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		amethyst on Jan 30, 2014 \| parent \| context \| favorite \| on: Facebook's new optical storage solution [video] From the video: 24 magazines/rack * 36 cartridges/magazine * 12 discs/cartridge * 50 GB/disc = 518TB/rack. Based standard dual-layer discs. I cannot comment on storage of our traditional spinning-disk racks.

derekp7 on Jan 30, 2014 [–]

Backblaze Pods are about 180TB, so 1800TB per rack. And a whole lot of power consumption.

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