Hi, I'm looking at upgrading my current RAM to get Dual channel and i just had one question floating around in my head that i would like to know the answer to, so if anyone could help that would be cool If i buy a set of Dual channel RAM, am I able to use my old stick of RAM alongside the new RAM and still get the Dual channel benefit? (my current RAM is 512MB DDR and I'm looking at getting 512MB dual channel) Thanks in advance for your help.

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Hi Philywiskaz,
You probably will want to replace all the ram because often times "mixing" ram will result in making ALL ram run at the speed of the slowest ram.
Check your motherboard or computer's manufactures site for more details.
For a general discussion of ram issues you can check out my website.
Hope this helps
RGPHNX

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