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Thread: SSD Write Endurance 25nm Vs 34nm

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  1. #1
    SSDabuser
    Join Date
    Aug 2011
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    Quote Originally Posted by Anvil View Post
    It won't be a real life test and 4KB is rather small by today's standards, 8KB is about the smallest there is for the typical database (Oracle, MS-SQL) on top of this, there is a *lot* of sequential writes.
    (there are of course other workloads besides databases but they will most likely have a much larger block size)

    I'll make some options on how to write, 4KB, 8KB, ..., as well as more options on size. (including full span)

    This type of test is highly unlikely in any environment though.

    We already know what Intel data-sheets tells.

    100% 4KB writes, 100% span.
    G2
    80GB = 7.5TB
    160GB = 15TB

    G3
    40GB = 5TB
    80GB = 10TB
    120GB = 15TB
    160GB = 15TB
    300GB = 30TB
    600GB = 60TB
    See, this completely puts the 30GB number for the 300GB 320 in context -- the article I read didn't mention anything like that. I wasn't even aware that Intel used the 4K full span method to rate their drives.

    Now I feel extra, extra stupid.

  2. #2
    Xtreme Member
    Join Date
    Feb 2006
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    Stuttgart, Germany
    Posts
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    The guys from INTEL are real engineers and are specifying the worst conditions, no real life conditions. Nothing wrong with that, but also some real world expectation should be published, otherwise "average Joe" will read the specs, will see 15TB and will be scared on how low are the numbers. That "average Joe" might be your boss to which you requested a SSD replacement for your desktop at work and these specs will be the best reason to deny your request.

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