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Can i add a different sized RAM stick?

Hello! I recently got 4GB(2x2GB sticks) of memory for my computer. Previously, I had 2GB (2x1GB sticks).

So I replaced the 1 gig sticks with the 2 gig sticks. When I was installing it, I think i remembered reading that you aren't supposed to have different sized ram sticks in the computer or something so I opted to not put the 1 gig sticks back in.

Now I am wondering if I actually made that story up and if my computer could have an extra 2 gigs of RAM.

So will it be a problem if I add the other RAM sticks?

Here are the parts in case that matters:
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145034 (2gig)
http://www.newegg.com/Product/Product.aspx?Item=N82E16820145184 (4gig)
http://www.newegg.com/Product/Product.aspx?Item=N82E16813188019 (motherboard)
8 answers Last reply Best Answer
More about sized stick
  1. Looks like it should work. The Corsair RAM look to be similar enough. If you are using Windows 7 32-bit though, anything past 4GB won't be recognized.
  2. Best answer
    There was an article on this a while back though I can't remember where. But I remember the summary basically being this: If the extra ram is utilized, then the extra ram benefit will outweigh any speed decrease that might occur by not using it.
  3. I just took a closer look and noticed that the RAM have different voltages and timings. That might cause some problems.
  4. oh... rats!

    i guess i won't add it then... what kind of damage could it do?
  5. Supermuncher85 said:
    There was an article on this a while back though I can't remember where. But I remember the summary basically being this: If the extra ram is utilized, then the extra ram benefit will outweigh any speed decrease that might occur by not using it.

    You are right on what you read. A few months ago I had opened a thread and asked a similar question, and what you stated was the consensus.
  6. Yep it's not optimal but it works fine though
  7. Best answer selected by shamslam.
  8. This topic has been closed by Nikorr
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