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What Is ECC Memory?

Question:

I've noticed that some memory is marked ECC while other memory is non-ECC - what's the difference?
- Asked by Tim F. March 15th, 2011   

Answer:

ECC stands for Error Checking and Correcting and is a method of finding and fixing system memory errors through the use of additional bits and a custom algorithm. Non-ECC does not offer this protection.

Usually, your Mac will support either ECC or non-ECC - but not both. ECC is most commonly found in the Mac Pro and as of this writing is not use in any other Mac systems.

Filed Under: RAM, Memory, ECC, Non-ECC

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