Data erasure on SSD & flash memories

As opposed to HDDs, the deletion of SSD & flash memories is not done by a physical overwrite but via electronic impulses. The deletion program accesses the firmware of the storage medium and starts the medium deletion/resetting commands.

Since 2001, the command “ATA Secure erase purge” has been put on all SSDs according to the NIST guidelines. With the programs we use, this command is accessed directly and started. The same applies to all other flash memories. If desired, the memories can also be overwritten with an algorithm, but this can lead to a reduction in storage capacity.

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