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Thread: SSD refurbished drive - what caveats

  1. #1
    Ext User(Yes) Guest

    SSD refurbished drive - what caveats

    I see prices for refurbished SSD drives that are starting to look
    reasonable but am not quite convinced to buy one.

    What pros and cons do you all see about buying a refurbished SSD? Are
    there vendors who have a good reputation for this type of equipment? I
    usually only go for new stuff on the theory of not buying someone
    else's lemon,

    My current thinking is to use it as the boot disk for a Win 8 Pro
    64-bit O/S, but I also play a game which uses my hard drive quite a bit
    (or so it seems to me) and putting the game on an SSD may be worthwhile
    if the life of the drive does not get reduced drastically.

    TIA,

    John

  2. #2
    Ext User(Flasherly) Guest

    Re: SSD refurbished drive - what caveats

    On Fri, 20 Sep 2013 17:42:57 +0000 (UTC), "Yes"
    <noone@invalid.invalid> wrote:

    >I see prices for refurbished SSD drives that are starting to look
    >reasonable but am not quite convinced to buy one.
    >
    >What pros and cons do you all see about buying a refurbished SSD? Are
    >there vendors who have a good reputation for this type of equipment? I
    >usually only go for new stuff on the theory of not buying someone
    >else's lemon,
    >
    >My current thinking is to use it as the boot disk for a Win 8 Pro
    >64-bit O/S, but I also play a game which uses my hard drive quite a bit
    >(or so it seems to me) and putting the game on an SSD may be worthwhile
    >if the life of the drive does not get reduced drastically.
    >
    >TIA,
    >
    >John


    Dunno. If it's got a new NAND stick, the controller should be OK.
    With SMART, get an idea of the write cycles it's already been thru.

  3. #3
    Ext User(Yousuf Khan) Guest

    Re: SSD refurbished drive - what caveats

    On 20/09/2013 1:42 PM, Yes wrote:
    > I see prices for refurbished SSD drives that are starting to look
    > reasonable but am not quite convinced to buy one.
    >
    > What pros and cons do you all see about buying a refurbished SSD? Are
    > there vendors who have a good reputation for this type of equipment? I
    > usually only go for new stuff on the theory of not buying someone
    > else's lemon,
    >
    > My current thinking is to use it as the boot disk for a Win 8 Pro
    > 64-bit O/S, but I also play a game which uses my hard drive quite a bit
    > (or so it seems to me) and putting the game on an SSD may be worthwhile
    > if the life of the drive does not get reduced drastically.


    A lot of refurbishment just entails a test of integrity at the factory,
    and it is then just repackaged and shipped back out. This may be
    sufficient, since a lot of drives are just returned to a store where it
    was bought, and the store just ships it back to the distributor or
    manufacturer. There may be nothing actually wrong with the drive, but
    the buyer just "felt" there was a problem.

    Yousuf Khan


  4. #4
    Ext User(Paul) Guest

    Re: SSD refurbished drive - what caveats

    Yousuf Khan wrote:
    > On 20/09/2013 1:42 PM, Yes wrote:
    >> I see prices for refurbished SSD drives that are starting to look
    >> reasonable but am not quite convinced to buy one.
    >>
    >> What pros and cons do you all see about buying a refurbished SSD? Are
    >> there vendors who have a good reputation for this type of equipment? I
    >> usually only go for new stuff on the theory of not buying someone
    >> else's lemon,
    >>
    >> My current thinking is to use it as the boot disk for a Win 8 Pro
    >> 64-bit O/S, but I also play a game which uses my hard drive quite a bit
    >> (or so it seems to me) and putting the game on an SSD may be worthwhile
    >> if the life of the drive does not get reduced drastically.

    >
    > A lot of refurbishment just entails a test of integrity at the factory,
    > and it is then just repackaged and shipped back out. This may be
    > sufficient, since a lot of drives are just returned to a store where it
    > was bought, and the store just ships it back to the distributor or
    > manufacturer. There may be nothing actually wrong with the drive, but
    > the buyer just "felt" there was a problem.
    >
    > Yousuf Khan
    >


    In the case of SSD drives bricked by firmware bugs,
    a refurbished drive may get a new version of firmware
    before being shipped. Such a drive (firmware bug), is
    less likely to have all the wear life of the flash used up.

    There is nothing that says they cannot reset the wear counters.
    So the SMART statistics on a refurb, do not offer a guarantee
    of "odometer honesty". At the factory, the device is completely
    open to tampering. You have no way of knowing how many of the
    3000 writes per location, have been used up.

    Paul

  5. #5
    Ext User(Yousuf Khan) Guest

    Re: SSD refurbished drive - what caveats

    On 22/09/2013 12:50 PM, Paul wrote:
    > In the case of SSD drives bricked by firmware bugs,
    > a refurbished drive may get a new version of firmware
    > before being shipped. Such a drive (firmware bug), is
    > less likely to have all the wear life of the flash used up.
    >
    > There is nothing that says they cannot reset the wear counters.
    > So the SMART statistics on a refurb, do not offer a guarantee
    > of "odometer honesty". At the factory, the device is completely
    > open to tampering. You have no way of knowing how many of the
    > 3000 writes per location, have been used up.


    The larger the drive, the less of those 3000 write cycles will have been
    used up, it may still be near the 3000 limit. For example on my 120GB
    laptop SSD, I've already accumulated 1.78TB of writes! But that works
    out to an average of only 15 writes so far! Which is only 0.5% life used
    up so far. The SMART software still shows 100% life left.

    Yousuf Khan

  6. #6
    Ext User(Mr. Man-wai Chang) Guest

    Re: SSD refurbished drive - what caveats

    On 21/09/2013 1:42 AM, Yes wrote:
    > I see prices for refurbished SSD drives that are starting to look
    > reasonable but am not quite convinced to buy one.


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  7. #7
    Ext User(Mr. Man-wai Chang) Guest

    Re: SSD refurbished drive - what caveats

    On 21/09/2013 1:42 AM, Yes wrote:
    > I see prices for refurbished SSD drives that are starting to look
    > reasonable but am not quite convinced to buy one.
    > What pros and cons do you all see about buying a refurbished SSD? Are


    Make sure that the memory chips are all new! All SSD cells have a
    maximum number of write cycles.

    --
    @~@ Remain silent. Nothing from soldiers and magicians is real!
    / v \ Simplicity is Beauty! May the Force and farces be with you!
    /( _ )\ (Fedora 19 i686) Linux 3.11.2-201.fc19.i686
    ^ ^ 19:18:02 up 2 days 16:01 0 users load average: 0.00 0.01 0.05
    不借貸! 不詐騙! 不援交! 不打交! 不打劫! 不自殺! 請考慮綜援 (CSSA):
    http://www.swd.gov.hk/tc/index/site_...sub_addressesa

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