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Can I Mix Install Both PC2-5300 & PC2-6400 RAM In The Same Compute


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#1
Webslinger64

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Hey all,

My wife currently has 1GB RAM in her Pentium D computer. I am interested in maxing out the RAM for her, but have questions as to the type of RAM I can install. I used Crucial scan to determine that I can expand her from the Current 1GB to a max of 4GB. There are 4 slots and she currently has two 512MB sticks in place. According to Crucial, both PC2-5300 and PC2-6400 RAM is compatible.
I have two sticks of PC2-5300 already and found somebody locally that will sell me two sticks of PC2-6400. I'm just not sure it's a good idea to mix them. Is it important to keep all RAM installed at either PC2-5300 or PC2-6400?
Also, I might only be able to buy one stick of PC2-6400 from this guy. If so, can I install two sticks PC2-5300, one stick PC2-6400 and leave one of the 512MB sticks in the fourth slot?

Thanks,

Greg
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#2
123Runner

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If the computer is a 32 bit OS, all you will see/ use is about 3.5gb. I am sure you saw that warning on Crucial's site.

The PC2-6400 RAM is a little faster than The PC2-5300.
If you have both, the the PC2-6400 will be backed down to the slower speed. I doubt you will notice that.

Generally using a 1gb and 512mb should not be a issue as long as the timings are correct. You already have Crucials's recommendation for the suggested ram.
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#3
Webslinger64

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If the computer is a 32 bit OS, all you will see/ use is about 3.5gb. I am sure you saw that warning on Crucial's site.

The PC2-6400 RAM is a little faster than The PC2-5300.
If you have both, the the PC2-6400 will be backed down to the slower speed. I doubt you will notice that.

Generally using a 1gb and 512mb should not be a issue as long as the timings are correct. You already have Crucials's recommendation for the suggested ram.


Right on. Thanks for the explanation. I do appreciate it.
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