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Thread: ECC or Non ECC

  1. #1

    ECC or Non ECC

    I know this question has been asked numerous times, but would you recommend DDR3 ECC ram for 24/7/365 operations, or non ECC. I know what ECC is and does, but errors are so rare nowadays with ram.

    I'll be colocating a 2U server in a few weeks, and have not yet selected what memory I'll be using.


    ECC seems to be higher in price, but is it worth it?

  2. #2
    Join Date
    Jan 2010
    I cant answer your question fully as I think there can be quite a few determining factors. What ended up being my deciding factor on ECC was I could use more RAM in the mother board with ECC then I could without it.
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  3. #3
    Join Date
    Jun 2006
    Personally I think it's worth it for the added stability, so we always buy ECC RAM.

  4. #4
    According to my motherboard specs (supermicro H8QGi-F)
    I can support up to 512GB of Ram, so I'm guessing I can support about 100GB of ECC Ram. Though that is not in questions since I'll be adding less than 64GB of ram for the system.

    However I'm more concern on if ECC is actually needed nowadays. I can save hundreds by using regular ram, so it's really a question about cost.

  5. #5
    Join Date
    Aug 2004
    Dallas, TX
    Quote Originally Posted by ULAWE View Post
    or non ECC. I know what ECC is and does, but errors are so rare nowadays with ram.
    ECC exists for a reason. If you're running anything mission critical go for ECC. Everyone has their own opinions, I sleep better with ECC.
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  6. #6
    Join Date
    Jan 2007
    Kent, UK
    If you can afford the premium ECC sometimes entails then it's always best to go for it
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  7. #7
    Thanks Guys, I guess I'll purchase ECC ram.

  8. #8
    Quote Originally Posted by ULAWE View Post
    Thanks Guys, I guess I'll purchase ECC ram.
    Sounds good.

    It's worth keeping in mind that it's not just bad ram that can cause errors, but even things as crazy as cosmic rays. It just takes a bit of strong radiation to flip a bit from a 0 to 1 on a ram chip, and without ECC, none of your applications would know the difference. You'd simply corrupt your data, potentially crashing your machine or otherwise causing problems. ECC can cut down on this sort of thing dramatically.
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