Write-caching policy on samsung SSD, safe to disable?

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ImperialCavalry

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Apr 17, 2016
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is it safe to untick the option in device manager "enable write caching on the device"
I have two checkboxes under policies tab: this one and "turn off windows cache buffer
flushying on the device" first one is checked by default and second is not. My goal is
reducing the data written to my samsung SSD, its already high enough for no reason(3.6TB)
I have no source of that much data on my computer, maybe this is the reason? this ssd newly
purchased and its barely a half year since then. I have a 1000W UPS protects my system against power outrages if that any helps. I have 16GB memory and already entirely disabled pagefile also superprefech. Also, my all games are on my hard disk, only the OS is on the SSD.

I also think system restore may be the reason, because I create restore points regularly
as I download and install software often. C drive (SSD) currently on %4 uses for restore points (9GB'ish)

my samsung drive is 250GB 750 EVO, half of the drive always empty. Samsung magician says smart status are "GOOD"
wear leveling count is 14 (real value)

You may remember my previous posts about this matter before on this site, unfortunately
for me its still a problem on my computer, thats why I time to time ask some questions, not to troll or something like that, my goal is solving this issue, nothing more.

thanks in advance and understanding
 
Solution
RealBeast
Yes, it is safe -- but it will slow your drive writes. It is almost always best to enable write caching on SSDs for consumer use as it allows data to be initially stored in DRAM or SLC NAND and then written to the drive NAND, which accelerates writes. It does not increase the data written, simply makes it more efficient. The DRAM or SLC has much higher write life so no worries there.

It seems that you worry about your drive life, but you shouldn't, I have some old Intel X25M drives from the very early days of SSDs that have hundreds of TBs written and they still are working fine with no indication of failure on the near horizon. By the time your drive fails from being worn out it will be too small to even use, I have a whole box of...
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RealBeast

RealBeast

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Yes, it is safe -- but it will slow your drive writes. It is almost always best to enable write caching on SSDs for consumer use as it allows data to be initially stored in DRAM or SLC NAND and then written to the drive NAND, which accelerates writes. It does not increase the data written, simply makes it more efficient. The DRAM or SLC has much higher write life so no worries there.

It seems that you worry about your drive life, but you shouldn't, I have some old Intel X25M drives from the very early days of SSDs that have hundreds of TBs written and they still are working fine with no indication of failure on the near horizon. By the time your drive fails from being worn out it will be too small to even use, I have a whole box of 5.25 inch floppy drives to attest to that.

While it is individual preference, I never use hibernation or restore points. I do not find either useful, but I use excellent backup practices.
 
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ImperialCavalry

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Apr 17, 2016
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It seems I worried a bit too much, thank you for detailed reply! I was never thought SSDs can handle hundreds of TBs, so its OK for my drive, its good to read that.

From now on, I will clear my previous concerns from my mind and use my SSD without worrying about lifespan as I will use it only for operating system, just like before.

Thanks mate!
 
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RealBeast

RealBeast

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Oh, yeah -- even the old drives lasted a long time. HERE are the results at a deliberate attempt to kill some early SSDs, and most survived over 500TB of writes, and several did much better, up into the petabyte range -- something that you and I could not do in normal use in our lifetimes.
 
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