Best ssd when it comes to endurance for Adobe scratch disk

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MrMeth

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I am currently studying 3d animation & modeling , I use photoshop , After Effects and primeire pro on a daily basis. I currently have a 850 evo 500 gig ssd as my os drive , the other day i was working on AE and photoshop and i watched as the adobe software take up 80 gigs on my evo plus 21 out of my 32 gigs of ram. So I decided to get a separate SSD just to use as a scratch disk for adobe software. I wanted something cheap but that would do the job. I ordered a sandisk Ultra Plus, 128GB for $71 tax and shipping included. Installed the drive and setup my adobe software to cache on it and started working on homework. Well things haven't gone as planed , I use HD sentinal to monitor HD health on my system Hds and the sandisk ssd has been in my system for 7 days and lost 10% health and has had 10 errors during data transfer. I havent used the disk besides for adobe caching on it. and if I compare it to my other 840 pro that i have had for 2 years now in my 2nd rendering machine my 840 pro has only lost 2% health and has no errors. So im RMAing the drive and now i have to choose another one. Dont have the budget to go for another 850 evo and I have only had 3 Samsung ssd and I dont have any other experiences with ssd manufactures besides them. So what are my options for a decent ssd that wont die if i use it as a scratch disk ? My budget is like $130 Canadian , tax in and im OK with a 128 drive. Sorry about the big long explanation im still up from an all nighter and things don't make sense right now to tired.

http://www.memoryexpress.com/Products/MX49082

 
Solution
geofelt
As a rule, endurance on a SSD is a non issue for desktop operations,
You can expect 10+ years of service.
In a server environment that is a different matter.

Your problem probably comes from using a ssd that is too small.
Larger ssd's have more nand chips so the update activity can be spread out.
If your ssd is too small, the nand chips get many read/write cycles instead of letting "trim" do it's job.
over 90% capacity is a killer.

As to brands, Samsung pro versions have longer endurance, compared to the evo versions.
In part, this is because they have more spare chips available.

I think I would try to return the sandisk, primarily on the basis of excessive transfer errors.
Possibly, there is a microcode flash to address the issue...
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geofelt

geofelt

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As a rule, endurance on a SSD is a non issue for desktop operations,
You can expect 10+ years of service.
In a server environment that is a different matter.

Your problem probably comes from using a ssd that is too small.
Larger ssd's have more nand chips so the update activity can be spread out.
If your ssd is too small, the nand chips get many read/write cycles instead of letting "trim" do it's job.
over 90% capacity is a killer.

As to brands, Samsung pro versions have longer endurance, compared to the evo versions.
In part, this is because they have more spare chips available.

I think I would try to return the sandisk, primarily on the basis of excessive transfer errors.
Possibly, there is a microcode flash to address the issue, but really, I would go with a larger Samsung 840 pro or 850 pro in a 240gb or larger size.
A second choice might be a larger Intel 730.
In addition, a larger ssd will run your apps faster.

There are some expensive commercial ssd's, but it does not sound like that is even necessary for you.
 
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MrMeth

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so what is the minimum size for a scratch disk ? 250 , 500 gig ? Not that i doubt your advice Geofelt but during the 7 days I have had the sandisk , I have only fulled it up to 60 gigs with adobe temp files. To be honest if it wasn't for my low funds right now I would have got another 840 pro 256, but I just cant afford it right now , I just purchased a new monitor last week. Ill take a look at the pricing on intels drives. Last I looked they were on par with Samsung when it came to pricing in Canada. What about the crucial mx100 256 ? Any other suggestion on this ?
BTW thanks for the advice Geofelt

 
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popatim

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From a post on adobe's forums:
"It all depends on the size of your files, the number of layers in them, the number of history steps you are set to, etc.

Figure on 100 times or more the size of your biggest file multiplied by the number of files you keep open simultaneously at any given time. Photoshop sets its scratch file from the get go, the instant you open an image file or create a new document. If it later requires more memory, it will add to the size of the scratch file as needed."
 
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USAFRet

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but during the 7 days I have had the sandisk , I have only fulled it up to 60 gigs with adobe temp files.
Click to expand...
10GB per day is trivial. You'd have to write hundreds, per day, every day.

http://us.hardware.info/reviews/4178/10/hardwareinfo-tests-lifespan-of-samsung-ssd-840-250gb-tlc-ssd-updated-with-final-conclusion-final-update-20-6-2013

"So let's calculate the lifespan. We consider the first uncorrectable error to be the end of the SSD. For the first one that was after 764 TiB of written data, and for the second one that was after 768 TiB of written data. That the two failed so close together could indicate that the lifespan of the Samsung 840 SSDs is fairly constant. However, two SSDs aren't representative of the thousands that are out there.

If we take the 764 TiB and an average of 10 GiB of writes per day, we arrive at a lifespan of 214 years."
 
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geofelt

geofelt

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Only two vendors make their own controllers and nand chips. That might be changing with crucial, so the MX100 line might be ok.
There is a lot going on in the firmware of a ssd, and I think the other makers are not so good at that.

When you do a write to a ssd, a free nand block must be found for a quick write. Otherwise, a nand block must be read and rewritten. That is one reason why a larger ssd with more blocks can more easily find a free block.
In the background, the ssd microcode is busily trying to free up blocks.

One possible plus for a Samsung ssd is their "rapid mode" which comes with their magician software.
It is a form of ssd cache that can use system ram. I have not had the need for it, but read up on it and see if it applys to you.

I would concentrate most on the write capabilities at low queue depths.
Your sandisk can do up to 290mb/s sequential write and 33.000 random writes. Their specs do not say the queue depth, but I guess it is 32 to get the max performance.

By comparison, a 120gb Samsung 850 EVO will do 520mkb/s sequential and 40,000 random writes with queue depth of 1 and 88,000 for queue depth of 32

Both these assume you are on a sata 6.0 port.
I see you have an amd motherboard which does not do sata as well as Intel.
Do some research there, if you wish, but changing out your cpu and motherboard is not practical.

You might try using your 850 evo for scratch and see how you do in comparison.

 
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MrMeth

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Thanks for all the advice people it is greatly appreciated , because of my budget I'm leaning towards crucial mx 100 256 ? what do you guys think? I can get one for 137$ tax in .
 
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MrMeth

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I would love to get a samsung , matter fact I have had 4 ssd all samsung but I cant afford there asking price, that's why i originally ended up with the sandisk cause it was the cheapest option. I can do $130 for a 250-256 gig ssd that wont die for adobe use if that is possible . So that pretty much excludes samsung and Intel.
 
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McDuncun

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Oh okay that sucks... The Crucial MX 100 is also great and the Corsair Force GT... But again price...
 
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MrMeth

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Decided to go with crucial mx 100 256 gig drive , did some digging and found out that even though they are not the fastest drives they have a good rep for endurance. Also the price per gig is fairly low and fits my budget for right now , hopefully it last at least until after tax return time when I plan on replacing some of my drives. Got the drive for 130$ after price match. I will update this thread for anyone that is curious and thanks for all the input and help.
 
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