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CCleaner and SSD


#1
I've been reading that it's not good on the SSD's life by using CCleaner's normal and secure delete feature (1 or 7 pass) to clean up temp files, cookies, browsers. Is this a myth? Also what is TRIM, in dummy terms please. Are secure delete and TRIM related?
 

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    SSD
#2
I do not know TRIM [except in the old barber shops]; I do know ccleaner's secure delete simply means more writes upon any SSD; if any file delete needs secure-delete, there are utilities that will let you secure delete just one folder or one file; I do not know which ones to recommend.
 

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fireberd

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#3
I use the CCleaner daily to clean my browsers. I have a Samsung EVO 850, and don't think about lessening its life.
 

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LMiller7

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#4
A single pass secure delete on a conventional drive is proof against any software recovery method. Maybe the FBI or CIA could do it but it has been denied and the theoretical basis is highly questionable. Multiple passes are "just in case". Recovery of a secure delete on an SSD is even less likely.

SSDs do have limited writes but that number is so high that it is possible to reach only in a contrived setting, not real world usage. Most SSDs fail for other reasons long before limited writes become a factor.
 

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#5
+1 LMiller7 - you said it best.
 

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    Two w/16GB, 1 w/8GB
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Barman58

Super Moderator
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#6
Just for completeness Trim is a system used with SSD to replace the de-fragmentation system used on conventional "spinner" hard drives

In the simplest terms you should never de-fragment an SSD, most modern defregmenters Including Windows Own) will recognise this and perform a Trim instead

https://en.wikipedia.org/wiki/Trim_(computing)
 

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strollin

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#7
TRIM also provides for "wear leveling". The standard write/delete routines have a tendency to reuse the same sectors of a drive over and over again. This is fine for an HDD but on an SSD where the data cells have a limited number of write cycles, it would cause the the most often used cells to reach their max write cycles far sooner than the rest of the cells. "Wear leveling" is an attempt to purposely spread writes across the entire array of cells thereby making it so the cells all have similar amounts of writes instead of a few cells receiving the brunt of the writes and wearing out prematurely.
 

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