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    Capacity Question: 3 SSDs in RAID 0

    Discussion in 'Hardware Components and Aftermarket Upgrades' started by Blackbart, Jul 24, 2013.

  1. Blackbart

    Blackbart Newbie

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    Noob question: How much total storage will I have in a triple SSD setup configured in RAID 0 if each SSD is 128GB?

    Thanks in advance.
     
    Blackbart, Jul 24, 2013
    #1
  2. WhatsThePoint

    WhatsThePoint Notebook Virtuoso

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    WhatsThePoint, Jul 25, 2013
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  3. Jarhead

    Jarhead 恋の♡アカサタナ

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    So, 357.6GB total capacity. With the amount of money you'd be spending on x3 128GB SSDs, why not just get a 480GB (or higher) single SSD? Faster than any single 128GB SSD and more reliable (RAID compounds the individual fail rates for each drive). I also suspect that you lose a smaller percentage of advertised capacity as well.
     
    Jarhead, Jul 25, 2013
    #3
  4. tilleroftheearth

    tilleroftheearth Wisdom listens quietly...

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    No, you'll 'lose' the same amount of capacity whether one drive vs. (many) more is put in a RAID0 array (~6.877% in either case).

    What you'll gain (as rightfully noted) is a faster storage subsystem - unless your storage subsystem requirements/workflows are MOSTLY/ONLY sequential (i.e. not O/S + program based - but more like video/sound (other large file) transfers.


    See:
    One SSD Vs. Two In RAID: Which Is Better? - Are Two SSDs Any Better Than One?


    Note that the standings won't change much if RAID'ing more than 2 drives... (when responsiveness is the key performance metric).
     
    tilleroftheearth, Jul 25, 2013
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