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by brianwski 3500 days ago
Disclaimer: I work at Backblaze. We securely wipe the drives, then we sell them to a "used hard drive reseller".
2 comments

Does "secure wipe" mean ATA SE, i.e. hdparm --security-erase, or --security-erase-enhanced?
For that volume I'd think a degausser would be used.
AFAIK, if you physically destroy the contents of a drive with a strong magnetic field, you also destroy the servo tracks, rendering the drive useless. Modern hard drives can't "low-level format" themselves; they're not mechanically precise enough.
Degaussers render the drive nonfunctional.
I know it's a lot easier to wholesale resell them, but it'd be so awesome if you could dedicate a portion to be sold to the homelabbers among us.
I don't know how that would be more awesome, essentially spending effort towards the upper middle-class hobbyists. I would rather see them sell them directly to the highest bidder and focus the effort on improving their business, or give the drives to charity.