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Thread: SSD Write Endurance 25nm Vs 34nm test

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    Moosekateer CAT-THE-FIFTH's Avatar
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    SSD Write Endurance 25nm Vs 34nm test

    There are some really interesting results in thie thread:

    http://www.xtremesystems.org/forums/...e-25nm-Vs-34nm


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    Goron goron Kumagoro's Avatar
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    Re: SSD Write Endurance 25nm Vs 34nm test

    Seeing what has happened to A01s Vertex2 it has put me off sandforce SSDs, even if you are
    unlikely to get to that point after a few years.

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    Re: SSD Write Endurance 25nm Vs 34nm test

    Quote Originally Posted by Kumagoro View Post
    Seeing what has happened to A01s Vertex2 it has put me off sandforce SSDs, even if you are
    unlikely to get to that point after a few years.
    What was the problem??


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    Goron goron Kumagoro's Avatar
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    Re: SSD Write Endurance 25nm Vs 34nm test

    If I read it right after 30TB of writes duraclass had kicked in lowering the write speed to 6MB/s
    and doing a secure erase would not remove the limit and seems to be all about protecting the drive for warranty purposes.

    If i remember right it seemed that after the 30TB write limit duraclass woukd kick in strongly after 500GB of writes which they speculated was a daily limit, if it is then its still massively high really for home use obviously. However they had done benchmarks where it was in-between its top performance and lowest of 6MB/s, so it doesnt seem to be an all and virtually nothing throttling at 500 GB and I wonder after how many writes does it take before kicking in and by how much.

    its around
    http://www.xtremesystems.org/forums/...=1#post4862106

    It would have been interesting to see Ao1 investigating it further

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    Re: SSD Write Endurance 25nm Vs 34nm test

    After all these problems with sandforce SSD's I'm starting to wish I'd bought a Crucial C300 instead.

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    Re: SSD Write Endurance 25nm Vs 34nm test

    I think this is pretty bad, who would of known a SSD to have throttle technology. I can see why it's there(to protect from a drive failure) but I would of expected a secure erase to gain some speed back?

    Do other SSD's do this or something similar?

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    Re: SSD Write Endurance 25nm Vs 34nm test

    TBH,I bought my 60GB OCZ Vertex which has an Indilinx Barefoot controller because it only cost me £59.99 brand new!!

    If I was to spend around £80 to £200 on an SSD I would probably go with one of the Crucial or Intel drives although they do seem slower than the latest OCZ and Corsair ones.


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    Re: SSD Write Endurance 25nm Vs 34nm test

    wow, i didn't know about CDI.
    my vertex 2 is a few days over 1 year powered on and down to 80%.
    ouch. time to upgrade or shutdown more...

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    Re: SSD Write Endurance 25nm Vs 34nm test

    INTEL X25MG2
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    that will do
    Quote Originally Posted by Ephesians
    Do not be drunk with wine, which will ruin you, but be filled with the Spirit
    Vodka

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    Re: SSD Write Endurance 25nm Vs 34nm test

    Does 25nm NAND have a shorter theoretical lifespan? Yes. Will this matter for the majority of users under normal conditions? Unlikely.

    I considered the lower lifespan vs performance recently when I was shopping for a new SSD and went for higher performance. Why? After almost 2 years my old Intel X-25M G2 drive shows 97% life remaining. This was used as the primary OS and gaming drive (mainly WoW) until it was moved to my wife’s laptop. That’s 3% of the life in 2 years using the PC almost every day for hours.

    Being an impatient man I’ll go for the higher performance over longevity every time.

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    Re: SSD Write Endurance 25nm Vs 34nm test

    Most of us probably won't be using our current SSD's in 5 years anyway. So I don't think the life cycle will effect us much.

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    Re: SSD Write Endurance 25nm Vs 34nm test

    The current hard drive I have in my secondary system is over 4 and a half years old. TBH,under three years is still quite a low lifespan. At least 4 years should be the minimum IMHO.

    Intel offers a 5 year warranty on their 320 series SSDs so it looks like I might go with them even though they are not the fastest.


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    Re: SSD Write Endurance 25nm Vs 34nm test

    If you’re using an SSD as a cache drive with a lot of turnover then lifespan may be an issue. Anything that does a lot of rewrites such as 3D rendering, movies, etc. probably shouldn’t be placed on a (non-enterprise) SSD anyway unless you have deep pockets. For OS and general use, including games the refresh is relatively low so I don’t see why an SSD, regardless of NAND wouldn’t last 10+ years. Really does depend on individual usage though. As above, I used 3% of the estimated life of my primary drive over a 2 year period. In that time I rebuilt the drive from scratch atleast 20 times for various reasons (mostly to do with overclocking tests).

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    Moosekateer CAT-THE-FIFTH's Avatar
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    Re: SSD Write Endurance 25nm Vs 34nm test

    Supposedly I have used 6% of the life of my OCZ Vertex within the first 5 to 6 weeks. That is with TRIM and ACHI enabled,the page file on a hard disk,no defragmentation and hibernation and sleep disabled. I don't download that much too and I only have Sins of a Solar Empire installed on the SSD. All my other games are installed on a hard disk.

    OTH,it is probably more like SSDLife is not a good piece of software as it seems all the original Vertex drives seem to have a short life span. It is hard to say though.

    Still, the next SSD I am getting is an Intel or Crucial drive especially since the SandForce drives have throttling technology.
    Last edited by CAT-THE-FIFTH; 06-07-2011 at 02:40 PM.


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    Goron goron Kumagoro's Avatar
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    Re: SSD Write Endurance 25nm Vs 34nm test

    I had a look around the xtreme forum and Ao1 made another thread about it below.
    Havent read it though.

    http://www.xtremesystems.org/forums/...php?62-Storage

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    Re: SSD Write Endurance 25nm Vs 34nm test



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