64gb Flashdrive Lifespan : Interesting?

Discussion in 'Press Releases and Announcements' started by Tinderbox (UK), Jan 18, 2008.

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  1. Tinderbox (UK)

    Tinderbox (UK) BAKED BEAN KING

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    Hi.

    I just read this in relation to the new mac air.

    how long will the internal 64GB flash drive live for??

    click here

    regards

    John.

    [​IMG]
     
  2. Les

    Les Not associated with NotebookReview in any way

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    If you understand the way wear levelling works, the lifespan of a typical SSD is 10 times what that of a typical HD would be. In the article you just quoted, the lifespan of 13 years detailed write cycles of 3.4 Tb a day, no wear levelling, and no caching is an extreme low number because that what testing criteria were used.

    In the other example, the result of 51 years is more believable but you need to understand this is with this variable as well:

    "We assume perfect wear levelling which means we need to fill the disk 2 million times to get to the write endurance limit"
    which is again, an extreme.

    The true answer is simply that the SSD will outlive your present and future systems until another medium has arrived to replace the SSD.

    As new as many think the SSD is, its actually not and is common place in many of the worlds mission critical applications. It is simply new to us...the consumer.
     
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