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ECC Registered Ram and Non ECC Non Registered RAM


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#1 LedBakery

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Posted 07 December 2008 - 08:18 PM

What is the difference between the two, and what is the pros and cons of each?

I was offered a good deal on a stick of 512MB Ram that will run on my pc, but in the details the guys says it's Non ECC, Non registered, and unbuffered. I want to know what each of those things means, and does it effect the way the memory will run?

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#2 dc3

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Posted 07 December 2008 - 10:07 PM

Basically, modules with these features are used in applications such a servers where the redundancies of Error Checking (ECC) or Registered (sometimes called buffered) modules are used to ensure stability. These generally are not found in personal computers, they are more expensive, and are slower.

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#3 LedBakery

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Posted 07 December 2008 - 10:28 PM

So which one is better for my needs? Basically just a personal use pc for gaming and such. Performance wise, it makes no difference?

#4 dc3

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Posted 07 December 2008 - 11:20 PM

Usually the non ECC and unbuffered modules are what you want, but you can go to Crucial's web site and either use their scan or their configurator to determine what they suggest for your computer. This will show you how many expansion slots you have, the maximum amount of RAM for each slot, and the type of RAM that will best work in those slots.

Edit: What will be shown for the maximum amount of RAM per slot is based on what the motherboard is capable of supporting, but you need to remember that a 32-bit operating system will only recognize up to 3.5GB of RAM, you will need a 64-bit operating system to have it recognize anything higher.

Edited by dc3, 07 December 2008 - 11:23 PM.

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