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post #11 of 18
Quote:
Originally Posted by Pyromanci View Post

I am no where near normal desktop use. I do a lot of software compiling, so I do have extremely high file writes in a day.

Question is how high? Normal desktop use is around 5-10GiB/day. From memory, the Intel datasheet specifies 20GB host write per day for 5 years for the X25-M G2. At 10x write amplification, that's 200GB NAND write per day or 365TB NAND write for 5 years.
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post #12 of 18
I have had a intel 60 GB(2010), samsung 830(2012), and samsung 840(2012), all have worked flawlessly with no issues. Perhaps I just get lucky.

Although I mostly just use my computer for gaming and general use.
post #13 of 18
Quote:
Originally Posted by Bluescreendeath View Post

Does anyone have in depth info about the reliability of OCZ Vertex 2's? I have a V2 120GB - and I've read piles and piles of negative reviews about how they fail within 2 years. I read a review article that said their failure rate is 3% (vs Inte's 0.5% failure rate), but I've read customer reviews saying it's as highest as 10-20% with smaller sample sizes.

I'm really nervous because I keep my work on that SSD...should I ask OCZ for an RMA to another model or get a new SSD? Or am I just being paranoid due to the sampling bias of overwhelming negative reviews vs positive experiences that aren't reviewed?

Ahahaha... I never wrote a review but I am a victim of vertex 2 failing at 2 3/4 year mark.

Also no love for mushkin SSD? They're pretty decent in speed and reliability. And their HQ is here in Colorado.
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post #14 of 18
Thread Starter 
I would have to run file system monitor to give you a accurate size & count number. But it's about 250 files being compiled every 2-3 minutes averaging roughly 350MB in total size. this normally done 6-8 hrs in the day. So i would put it at roughly 63GB in writes on the low side and 120GB on the high side.
post #15 of 18
That's a fairly high amount of write churn a day. I think SSD's have gotten to a point where they're as reliable as HDD's considering manufacturing tolerences and what not. With your use-case scenario, it probably wouldn't be a good idea to go with a low capacity/cheap SSD, since going by Anandtech's review of the Samsung 840 EVO, @100GB writes a day, lower capacities would die out before you'd realistically replace the computer (4 years). Of course the caveat is that Samsung uses TLC, which people have knocked for enduance (however fairly or not), so the assumption is that if you're using decent SSD's with MLC (newer Intel, Crucial, Samsung 840 Pro's), they would likely last you as long as a HDD (or at least an upgrade cycle or two).

Regardless, it's hard to say anecdotally, unless it's so massive as to be a joke unto itself (OCZ Vertex, Sandforce etc.). If you look at some of the HDD's, it hasn't been a field of daisies either (earlier Seagate offerings, Maxtor before they were bought out, etc.)
post #16 of 18
Quote:
Originally Posted by Pyromanci View Post

I would have to run file system monitor to give you a accurate size & count number. But it's about 250 files being compiled every 2-3 minutes averaging roughly 350MB in total size. this normally done 6-8 hrs in the day. So i would put it at roughly 63GB in writes on the low side and 120GB on the high side.

Guess the sticking point here is block size and how random the workload is. If it's fairly sequential (write amplification 1x), that should be fairly easy. Random small block, write amplification can get pretty high.

Here are some rough estimates of available NAND writes based on NAND type and capacity.

34nm MLC & some 25nm MLC (e.g. Intel 520): ~5,000 P/E cycles
128GB: 640TB
256GB: 1,280TB
512GB: 2,560TB

25nm and smaller (at least so far) MLC: ~3,000 P/E cycles
128GB: 384TB
256GB: 768TB
512GB: 1,536TB

TLC: ~1,000 P/E cycles
128GB: 128TB
256GB: 256TB
512GB: 512TB
1024GB: 1,024TB

Those P/E cycles are rated minimums. Most SSDs will go beyond but I'd probably demote an SSD to scratch drive or something once MWI reaches minimum as I've yet to see an SSD fail gracefully (enter a read-only state).

Just a thought though, if the data set is only 350MB have you considered going RAM disk? Double benefit of improved performance and less writes on the SSD. Mind you, I've got a Crucial m4 128GB that gets around 50GB writes/day and last time I checked, it was at 97% life after 8 months of 24/7 use.
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post #17 of 18
I would go with, in this order:
Samsung
Plextor
Intel
Crucial
For reliable with no performance sacrifice.
   
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post #18 of 18

You were just unlucky, it could have happened to anyone. Get the Samsung 840 and don't look back. They have come a long way, and their performence gains far outweigh any potential down the road headaches.

    
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