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<blockquote data-quote="Winter Soldier" data-source="post: 666083" data-attributes="member: 59377">[USER=59833]@Digerati[/USER]On an SSD, the secure erase is not effective, but also harmful. The reason is simple: the SSD driver &#039;knows&#039; the NAND cells where are present the data and not the operating system; therefore, a erasing software&nbsp; would not know the physical location of data to delete.Besides, this is useless, thanks to TRIM, the data of the NAND cell is removed completely and immediately after the operating system has given the order to delete a file, a folder or another; if this were not the case, the memory cell could not be rewritten easily. Therefore, it is already TRIM to implement a definitive cancellation as I said.The Secure Erase, which you say, allows the electrons to be deleted from the NAND by putting them in a “erase” state (what TRIM recognizes as “to be deleted”). In fact the SSD does send a spike of voltage to all of the NAND available at the same time; in this way, all memory blocks (including buffer) are restored in one shot.During this operation, the SSD must be “locked” and password protected until the end; if something were to go wrong (for example, a power outage, or human error), there is the risk of brick and to make it definitively unusable.Which link I have to post? I have worked for many years in this sector, but obviously we come from two different schools...PS:It doesn&#039;t exist a meeting point, I&#039;ve pointed out concrete facts, documented by years of professional experience and not based on random web pages. I would like to avoid those who think they know everything better than those who have in front and they don&#039;t hesitate showing this alleged superiority with salacious criticism and highlighting that only they know what is right or what is wrong. Have a nice day Mister &quot;That&#039;s NOT true.&quot;!!</blockquote>

[QUOTE="Winter Soldier, post: 666083, member: 59377"] [USER=59833]@Digerati[/USER] On an SSD, the secure erase is not effective, but also harmful. The reason is simple: the SSD driver 'knows' the NAND cells where are present the data and [B]not[/B] the operating system; therefore, a erasing software would not know the physical location of data to delete. Besides, this is useless, thanks to TRIM, the data of the NAND cell is removed completely and immediately after the operating system has given the order to delete a file, a folder or another; if this were not the case, the memory cell could not be rewritten easily. Therefore, it is already TRIM to implement a definitive cancellation as I said. The Secure Erase, which you say, allows the electrons to be deleted from the NAND by putting them in a “erase” state (what TRIM recognizes as “to be deleted”). In fact the SSD does send a spike of voltage to all of the NAND available at the same time; in this way, all memory blocks (including buffer) are restored in one shot. During this operation, the SSD must be “locked” and password protected until the end; [B]if something were to go wrong (for example, a power outage, or human error), there is the risk of brick and to make it definitively unusable.[/B] Which link I have to post? I have worked for many years in this sector, but obviously we come from two different schools... PS: It doesn't exist a meeting point, I've pointed out concrete facts, documented by years of professional experience and not based on random web pages. I would like to avoid those who think they know everything better than those who have in front and they don't hesitate showing this alleged superiority with salacious criticism and highlighting that only they know what is right or what is wrong. Have a nice day Mister "That's NOT true."!! [/QUOTE]

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