Quick RAID question

Discussion in 'MacBook Pro' started by Nick A, Dec 9, 2012.

  1. Nick A macrumors regular

    May 10, 2009
    I have a 120GB Samsung 840 right now. If I buy another SSD that is 120GB but not the Samsung 840, would RAID 0 work or does it need to be the exact same drive?

  2. throAU macrumors 601


    Feb 13, 2012
    Perth, Western Australia
    RAID0 will work but you will be limited to the size of the smallest drive if the user accessible space varies between them.

    Given the nature of SSD failure (without warning - at least hard drives often start giving you the click of death when they're starting to fail - and can often have data recovery performed on them), I'd make sure you have up to date backups! You are doubling your chance of data loss, so be prepared.

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