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Upgrade memory from CM2X2048-8500C5


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I have a pair of CM2X2048-8500C5 and running them at 800Mhz (basic frequency 400Mhz)


I need to add 4GBs of ram but first of all I can't find that model easily and second since I am running the in 800Mhz anyway I thought that getting a new set that runs at 800Mhz will be fine. Is this right?


I notice though that there is a recommended voltage difference (2.1 vs 1.8).


So which set do you recommend buying (apart from the same model obviously)?

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These modules are no longer in production and I would not suggest mixing memory even two sets that are the same part # should not be mixed. I Would either save your money and put it towards upgrading your system to a newer DDR3 system or you can purchase two TWIN2X4096-6400C5DHX Modules and plan on running them at DDR667.
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