EliteBook 8540p: erase secure against disk Sanitizer?

I see in my BIOS I have a secure erase option and an option for the disk Sanitizer. What is the difference?

(Yes, I'm aware that one or both of these options completely erase the drive... it is my desired outcome)

I'll give you a kudos to conclude that. It help to direct me to the real distinction.

For all of you who are curious about the exact difference, here goes:

Disk Sanitizer is an application that writes data to the disk hard (as shown in the table on page 6 of this document). According to this document, "the internal process of the U.S. Department of defense requires five cycles," but the former DoD 5220 graphic only ever talked about cycles 1 and 3. DoD 5220 has been replaced by the NIST 800 - 88 standard. Antibacterial disc discouraged with the solid state (SSD) drives since they have their own internal algorithm for wear leveling.

Secure erase in line with the NIST 800-88 and is different in the fact that it is a command on the hard disk, and internal electronics of the drive do the wiping of the reader. It IS compatible with SSDS. Since it is an internal process for the hard drive, it is much faster than Disk Sanitizer.

Bottom line is, unless your organization needs to join the 5220 old standard, use Secure Erase.

Tags: Notebooks

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