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What Is "Secure Erase"?

post #1 of 9
Thread Starter 
Hey, I've got two SSDs, both which I plan to format for use in different PCs. My question is, what is a secure erase? Do I need to do it? Is there a program for it? and does it need to be done after a firmware update?
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post #2 of 9
Are these for your use or are they going to someone you would worry about getting info off of them? I personally would not erase SSDs and would just format them for the fresh install.
post #3 of 9
Secure erase zeros out the sectors on a drive. I don't know how well though. I would NOT do this on a SSD though. I've bricked HDDs before by doing 20 pass zeroing (takes about 2 days on a 200 GB drive). Thankfully this was on an ooooold 2 GB SCSI HDD.
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post #4 of 9
It issues a command that applies a voltage spike at a specific voltage to all of the NAND simultaneously, thus cleaning the NAND.
A certain voltage is used to erase, and one to program, the cells. P/E cycles are Program/Erase cycles.
post #5 of 9
All it does is reset the NAND chips on the SSD, I wouldn't bother if I were you. Just follow the guide in my sig when you install and you will be good to go.
post #6 of 9
Thread Starter 
Thanks for the feedback guys, the drives are for myself.
I read somewhere that if your drive slows down, you're to do a secure erase to make it faster or something... Or is that only for the Intel drives?
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post #7 of 9
Quote:
Originally Posted by Chrit View Post
Thanks for the feedback guys, the drives are for myself.
I read somewhere that if your drive slows down, you're to do a secure erase to make it faster or something... Or is that only for the Intel drives?
This is correct. SE helps bring your SSD to "as new" state. However, if you have TRIM working properly, there should be no need to run SE.

TRIM will be enabled if:
  • If you have Windows 7
  • If your SSD is not in RAID array
  • If you are connected to native Intel or AMD SATA port (and not Marvell!)
  • If you are not using PCI SATA cards to connect your SSD
post #8 of 9
Thread Starter 
Quote:
Originally Posted by XSCounter View Post
This is correct. SE helps bring your SSD to "as new" state. However, if you have TRIM working properly, there should be no need to run SE.

TRIM will be enabled if:
  • If you have Windows 7
  • If your SSD is not in RAID array
  • If you are connected to native Intel or AMD SATA port (and not Marvell!)
  • If you are not using PCI SATA cards to connect your SSD
One of the drives were initially used on Windows XP. I think I'll SE that one and leave the other.
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post #9 of 9
There is also a built in feature in most newer SSDs called GC (Garbage Collection) which acts just like TRIM but on it's own inside SSD. It requires the SSD to idle for some time to kick in. Best way is to log off and keep the PC on overnight. Then it should restore your SSD well enough.

I would run AS SSD benchmark first to see whther your SSD really slowed coz of wear and tear and not other factors like driver or port.
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