CC Cleaner and wipe free space on a ssd

WINTERLORD · Apr 7, 2013

I was wondering if using wipe free space on an ssd bothers performance at all? if it is bad to use say 35pass of wipe free spaced option

rgd1101 · Apr 7, 2013

yes, unless you have to. don't use it.

Apanzee · Apr 7, 2013

35 pass is just unnecessary. Be it HDD or SSD.

On an SSD though, it's horrible. Don't even use the wipe free space function.

Essentially it kind of paints over the empty space with white to make it completely blank. The more passes you use, the more coats it will put on. SSDs have a limited number of write cycles in their life span. The number is massive and would probably take years for the average user to reach. However using the wipe function, performs a write cycle on each block of the SSD per pass. Using it frequently can drastically reduce the life span of your SSD.

This is from the CCleaner website:

When you delete a file, Windows removes the reference to that file, but doesn't delete the actual data that made up the file on your hard drive. Over time, this data will be overwritten as Windows writes new files to that area of the drive.

This means that, given the right software, someone could reconstruct all, or parts of files that you've deleted. For privacy and security reasons, you can set CCleaner to wipe the free areas of your hard disk so that deleted files can never be recovered.

WINTERLORD · Apr 8, 2013

ok but what should I do then to force trim for say if I delete 40gigs of files or one big 25gig file

rgd1101 · Apr 8, 2013

you don't need to, the hardware would figure out the best way to deal with it.

JohnnyLucky · Apr 8, 2013

Wiping an ssd is not recommended. Each pass writes 1's and 0's to the ssd. The last thing you want to do is write 1's and 0's to the ssd 35 times.

Trim is a Windows feature that is used to enhance an ssd's garbage collection. TRIM is enabled in Windows by default. It is nothing more than a message from the motherboard to the ssd indicating that a pc user has deleted data. Modern 3rd generation ssd's are able to receive and understand the message. The TRIM message will trigger the ssd's own garbage collection. The ssd might initiate garbage collection immediately which is often referred to aggressive garbage collection or the ssd might wait for the pc system to be in a near idle state which is often referred to as passive garbage collection.

TheBigTroll · Apr 9, 2013

i generally wipe my SSD using the 1 time overwrite pass once a year. otherwise wouldnt do it

V@no · Jan 15, 2015

Wouldn't wiping free space (once) be considered as 'manual TRIM'? In some cases the TRIM is not working, like on RAID volumes, in time the SSD performance will drop 50%, and the only way to restore it is full format it.

nirvananow · Oct 27, 2016

Thanks for the input; I had just noticed that CC Cleaner was wiping free space on my OS SSD - so I disabled it with the knowledge of limited write cycles.

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CC Cleaner and wipe free space on a ssd

WINTERLORD

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rgd1101

rgd1101

Don't

Apanzee

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WINTERLORD

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rgd1101

Don't

JohnnyLucky

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TheBigTroll

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V@no

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nirvananow

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