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Single RAM in Dual Channel, 1333 MHz in 1066 MHz Slot

I needed a budget 4 GB RAM compatible with the Intel Pentium G645, which only supports 1066 MHz memory. My chosen motherboard is dual-channel.

My first question is that can I use a single stick of 4 GB RAM in the dual channel, and if I can, is it way better to get a 2x2GB configuration? Price isn't a problem, the difference is marginal, but the one I was looking at, the Kingston Value RAM, is not available 2x2GB in India, where I live - although I can still ask someone to get it for me from the States.

Secondly, can you use the 1333 MHz modules with a 1066 MHz compatible processor, even if you only get 1066 MHz? Just wanted to know if they are compatible.

Thanks a lot :)
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  1. Best answer
    aatmik said:
    I needed a budget 4 GB RAM compatible with the Intel Pentium G645, which only supports 1066 MHz memory. My chosen motherboard is dual-channel.

    My first question is that can I use a single stick of 4 GB RAM in the dual channel, and if I can, is it way better to get a 2x2GB configuration? Price isn't a problem, the difference is marginal, but the one I was looking at, the Kingston Value RAM, is not available 2x2GB in India, where I live - although I can still ask someone to get it for me from the States.

    Secondly, can you use the 1333 MHz modules with a 1066 MHz compatible processor, even if you only get 1066 MHz? Just wanted to know if they are compatible.

    Thanks a lot :)



    Hi mate yes you will get better performance with duel channel ram as its running in duel mode i had mine setup in the wrong slot's wich was not giving me duel channel performance i changed to the right slot's and my bandwith nearly doubled and yes you can run 1333mhz ram in a 1066mhz compaitable board it will just be clocked at the lower speed. :)
  2. Best answer selected by aatmik.
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