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[Solved] SSD Longevity... How long can I expect it to last?

post #1 of 13
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I'm in the process of upgrading my system core to an i7-4770K with 16GB DDR3 @ 2400 and I've got a little extra money in my budget so I was thinking about also upgrading my Windows drive from a very old Samsung Spinpoint 160GB to a nice new SSD. The question, though, is can I expect the new SSD to last as long as the mechanical hard drive? I've read that the lifespan of a SSD is write-limited, but I've had some difficulty finding that lifespan related as an estimated number of years, though I guess that would depend highly on how much change in data the drive experiences over time. Anyway, I'd really like some input on this before I run out and drop money on one, mostly so that I can be sure I'm getting something that's going to last me at least another 6-8 years.

Thanks.

PS: I do have multiple drives on my system, so dead storage and application installs will be handled by other drives, leaving pretty much only Windows and maybe some often used programs like chrome for the SSD, if that's going to make any difference to the results.
    
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post #2 of 13
A long time. My SSD is 2 years old as of 2 days ago and with 7355 power hours and 1522 startups, it's still showing 99% health. Worth every penny.
post #3 of 13
You won't regret getting an SSD for even a moment. From everything I have heard they typically fail about the time an HDD would fail mechanically. So that very well could be 6-8 years depending on how it is maintained.

I followed this guide http://www.newegg.com/Product/CategoryIntelligenceArticle.aspx?articleId=291 and have yet to have any issues at about 2 years of use on my Crucial M4 256 GB drives.
     
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post #4 of 13
SSD longevity, or really the lack of it, is much more of a technical urban myth than anything else.

What other PC components have a part that we were told has a limited life span (it could be called a mistake... revealing it that is.)

Since HDD or optical drive manufactures never included or discussed specs like motor, bearing, or other components life span, we don't think about it. But all those things exist, and somewhere there are specs about their expected life span.

We sometimes see mother board that have new technology capacitors that are better and last "X times longer" than the older types, implying this is better. So how long are my older boards capacitors supposed to last?

Simply because we know about the theoretical or worst case life span of NAND chips, and that the articles in tech publications made a big deal out of it (hey, no one really knew at that time), it has become part of the standard lore of SSDs.

We've really got about three years of SSDs being in use by consumers, and we're not seeing the sudden failure of one particular model of older drives, or really any tendency like that at all. When SSDs randomly do fail, do we know what actually happened? More parts in a SSD than simply NAND chips.

Are we seeing the failure cycle of NAND chips as we were told for the typical user, going into read only mode for months and then finally failing? Can we even think of a post about that in this forum? I've never seen one anywhere.

One of the ironies about this idea is the NAND used in older SSDs actually is spec'd to have a longer lifespan than the latest types of NAND chips used today. SSD enthusiasts know that the older NAND had PE cycles spec'd at 5,000 - 10,000, with SLC NAND at 100,000. Currently we are at 3,000 or less.

Private (and semi-amateur, better that way) testing showed commonly owned SSDs writing into the hundreds of Terabytes, and some far into the Petabytes. Some of the longest lasting SSDs were small capacity models (64GB) which "should" expire before larger capacity SSDs. I'd love to see an HDD tested in the same way, same load, and see how long they last.

If an HDD died after the same number of hours as a SSD, or even twice that time, the amount written to the HDD would be a small fraction of that written to the SSD.

Don't worry about SSD life, it's not an issue. If we start seeing many SSDs dying off in a short time, then we can start worrying about this, but even then there's more than one way to kill anything. sniper.gif
post #5 of 13
Thread Starter 
Quote:
Originally Posted by parsec View Post

One of the ironies about this idea is the NAND used in older SSDs actually is spec'd to have a longer lifespan than the latest types of NAND chips used today. SSD enthusiasts know that the older NAND had PE cycles spec'd at 5,000 - 10,000, with SLC NAND at 100,000. Currently we are at 3,000 or less.

Private (and semi-amateur, better that way) testing showed commonly owned SSDs writing into the hundreds of Terabytes, and some far into the Petabytes. Some of the longest lasting SSDs were small capacity models (64GB) which "should" expire before larger capacity SSDs. I'd love to see an HDD tested in the same way, same load, and see how long they last.

Are the tests reaching up into the Petabytes being done with the newer NAND chips with fewer cycles or the older chips with more cycles?
    
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post #6 of 13
had my crucial M4 over 2 years now and still going strong. I've got a friend who's had an SSD for about 4 years now that up until recently he stilled used, he only upgraded for a bigger one, it still worked fine after 4 years smile.gif
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post #7 of 13
20335 hours, 331 power on count.. Crucial M4 128GB 99% and going strong. Just wanted to share my experience with SSD's.

Get one. thumb.gif
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post #8 of 13
Quote:
Originally Posted by treblesum81 View Post

Are the tests reaching up into the Petabytes being done with the newer NAND chips with fewer cycles or the older chips with more cycles?

The reigning king of petabytes afaik is the Samsung 830 at 6PB+ that uses 34nm nand I think. Here's a link to the last update in the endurance thread at XS:

http://www.xtremesystems.org/forums/showthread.php?271063-SSD-Write-Endurance-25nm-Vs-34nm/page135

Edit: The 830 uses 27nm toggle not 34nm.
Edited by Zaxx420 - 1/16/14 at 5:08am
post #9 of 13
Quote:
Originally Posted by Zaxx420 View Post

The reigning king of petabytes afaik is the Samsung 830 at 6PB+ that uses 34nm nand I think. Here's a link to the last update in the endurance thread at XS:

http://www.xtremesystems.org/forums/showthread.php?271063-SSD-Write-Endurance-25nm-Vs-34nm/page135

I know that 6PB is touted for the Samsung 830 256GB's longevity but keep in mind that at that stage, there were already numerous read errors. If you were using the SSD as an OS drive, that would likely translate to crashes due to data corruption. At that point, I definitely wouldn't be trusting it with my data. I do believe the first read error came after 20,000 P/E cycles, though, which is quite an impressive number for an SSD that's only rated for 3,000. Iirc, the only drive that bests it is the Intel X25-V with 34nm.
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post #10 of 13
Another good ssd longevity reference is at Tech Report...They are testing 6 drives atm and all have reached the 500TB mark with no casualties...in fact, 5 of them are nearly unblemished. For a reference, 500GTB works out to 140GB of writes per day for 10 years which is a massive amount of writes for even the utmost power user. Also, these drives have been brutally hammered with writes using Anvil's endurance test app. which is far rougher than actual normal daily use patterns.
Edited by Zaxx420 - 1/17/14 at 10:41am
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