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Is a DDR3 MB compatible with DDR2 RAM?
would ddr2 memory work in a motherboard with ddr3 standard?

I just ran into something really weird.

My computer has DDR3 RAM. And the website from my mobo says it only supports DDR2. (I find this out, 2 years after buying the PC)

What are the consequences of this?

And how is this even possible? I thought DDR3 ram had a different shape from DDR2 ram?

Motherboard specs:

enter image description here

RAM specs:

enter image description here

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marked as duplicate by techie007, random Dec 5 '11 at 2:28

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

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They are shaped/keyed differently. :) How about some model numbers and such so we know what MB/RAM you are talking about? Perhaps the manual has a typo (it wouldn't be the first one)? See Is a DDR3 MB compatible with DDR2 RAM? for good info. –  techie007 Nov 26 '11 at 20:54
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Can you confirm (with an edit) that you are sure you are looking at the right motherboard specs? –  vcsjones Nov 26 '11 at 21:07
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Are you sure you the exactly right MB? What does the Mainboard tab of CPU-Z show? –  shf301 Nov 26 '11 at 21:09
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That's not right, I think you think you have a different motherboard then you actually do :). What does CPU-Z show under the "Mainboard" tab? –  techie007 Nov 26 '11 at 21:11
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It's possible, but would probably require a pair of cutters, hacksaw, glue and a trip to get some more RAM and a new motherboard. Nope, can't actually be done - one part of the provided info is not right. –  Linker3000 Nov 26 '11 at 21:21
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1 Answer

up vote 8 down vote accepted

Your motherboard supports DDR3 RAM. See the manufacturer's page for the GA-MA790XT-UD4P. Your previous link was to the GA-MA790X-UD4P. Note the missing T in the second model number.

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