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Ram Compatibility and other questions


johnnie_61

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I'm new at this so any help is greatly appreciated. I recently bought the 6400C4DHX and am now thinking of getting another 2gb but of a different kind 6400C4PRO.

 

1. Will these the sticks work together?

 

2. Whats the differences btwn the two other than one having the LED

 

3. Will it see all 4gb. (currently using the 64bit O.S.)

 

4. Is it possible to run all 4gb at 800mhz with timing of 4-4-4-12 or do i need to lower the speed. to have timing of 444-12

 

Thanks again for any help

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1. Will these the sticks work together?

A: They are the same spec. so they should but they may or may not there is no way to say for sure you would just have to try it. Normally it's not suggested mixing memory on any system.

2. Whats the differences between the two other than one having the LED

A: That is basically the only difference. However, if the modules are not the same exact part number and revision they might not work together.

 

3. Will it see all 4gb. (currently using the 64bit O.S.)

A: Yes it should but that will be up to the MB and CPU you have!

 

4. Is it possible to run all 4gb at 800mhz with timing of 4-4-4-12 or do i need to lower the speed. to have timing of 444-12

A: Its possible, but with 4 modules I would suggest relaxing the timings at the minimum to Cas 5-5-5-15 at 2T CR at 2.1 Volts. But you may have to set the memory frequency at DDR667.

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