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What function the physical secure ID has for SEDs

Certain self-encrypting disks (SEDs) feature additional functionality to reset the disk to factory settings. These disks have a physical secure ID (PSID) printed on the disk label that is required to perform a factory reset.

The PSID is unique to each drive. It is printed on the disk label and visible to anyone with physical access to the SED. The PSID is not electronically retrievable from the SED. If the disk label is obliterated, the PSID is lost and cannot be recovered.

Using the PSID to perform a factory reset causes all disk parameters to be reset to factory original settings, including the following: