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Backblaze quoted this price before the flood at $120 for 3TB. I'm not sure if post-flood prices are back to these prices or what range of prices you can expect at this volume.

This figure doesn't include redundancy. Backblaze uses raid6, so the usable capacity is actually 117TB per pod[1]. With this configuration the final cost should be closer to $1.6 million.

  [1] http://hardware.slashdot.org/comments.pl?sid=2341206&cid=36834390



> $120 for 3TB

So even if you throw out the rest of the hardware and have zero redundancy, $40/TB * 25000 terabytes = $1,000,000.

(Of course, somebody has to ship and store over 8,000 HDDs, too.)




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