ECC memory - or not?

  minter 04:55 22 Jan 2003
  minter 04:55 22 Jan 2003

I am thinking of building my own computer, but have am a bit mistfied by memory.

The motherboard I am looking at states that it can run with ECC memory.

I have two queries:

What is ECC memory, and what are difference is it to "ordinary" memory, and what are the advantages or disadvantages of it.

Does a computer run better with ECC memory than with "ordinary."

  Lú-tzé 07:52 22 Jan 2003

ECC - something to do with error correction - useful (necessary?) in high end servers but not so useful for regular PCs. ECC memory is more expensive than regular memory - probably not worth the extra cost.

  Tog 07:53 22 Jan 2003

ECC memory has the ability to monitor and correct errors during data transfers to/from the memory. May actually produce a very, very slight performance hit, is more expensive and I have never used it for the last 7 years 'cause I'm forever taking the cheaper option and getting away with it.

If you use ECC now and decide to add more memory later, you will have to buy more ECC or turn ECC off in the BIOS.

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