[memory] mixing 2x2gb kit with 2x4gb

I currently have this: http://www.newegg.com/Product/Product.aspx?Item=N82E16820231277&Tpk=F3-12800CL9D-4GBRL 2x2gb kit and wanted to upgrade. My question is can I use this: http://www.newegg.ca/Product/Product.aspx?Item=N82E16820231314&nm_mc=AFC-C8junctionCA&cm_mmc=AFC-C8JunctionCA-_-Memory+%28Desktop+Memory%29-_-G.SKILL-_-20231314&AID=10592396&PID=3938566 2x4gb kit with my current 2x2gb kit to make a total of 12gb or would there be a problem mixing and matching like that (or should I just add another 2x2gb kit)? I'd rather get a 2x4gb b/c I've seen them on sale for ~ $35 and would be willing to wait for it to come around again.

Sorry if this question has already been asked, I've searched quite a bit and haven't been able to find a definitive answer so far so I figure I'd just ask.
5 answers Last reply
More about memory mixing 2x2gb 2x4gb
  1. Whats the make and model of the motherboard?

    In theory it should work just fine as long there are no defects in the DIMMs or the motherboard.
  2. As long as the timings , speed and voltage are all the same there is no reason why you can't use the two kits.
  3. It is never recommended to mix RAM, especially DDR3 RAM as it often will not work at all or without issues. If you're feeling lucky you can give it a shot but it's always best to buy ONE matched, tested RAM kit of the full quantity that you desire, to be certain that it will work.

    FWIW, most people only need 8 GB. of RAM so a proper 2x 4GB. RAM kit approved for your CPU should be all you need unless you are doing CAD, video editing or using many apps concurrently. More RAM won't increase the speed of your PC however.
  4. ko888 said:
    Whats the make and model of the motherboard?

    In theory it should work just fine as long there are no defects in the DIMMs or the motherboard.


    motherboard is a gigabyte z68a-d3h-b3
  5. beenthere said:
    It is never recommended to mix RAM, especially DDR3 RAM as it often will not work at all or without issues. If you're feeling lucky you can give it a shot but it's always best to buy ONE matched, tested RAM kit of the full quantity that you desire, to be certain that it will work.

    FWIW, most people only need 8 GB. of RAM so a proper 2x 4GB. RAM kit approved for your CPU should be all you need unless you are doing CAD, video editing or using many apps concurrently. More RAM won't increase the speed of your PC however.


    I might just try it and hope it works. Worst thing that can happen is it doesn't work and I'll use the 2x4 kit to make 8gb (I don't need 12gb but I guess maybe I would in the future?)
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