What is difference between a 1 GB 2Rx16 PC2 6400S -666-12 hynix laptop ram and1

neo2chat

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Oct 21, 2011
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Hello guys, i need to upgrade my notebook memory. what is difference between a 1 GB 2Rx16 PC2 6400S -666-12 hynix laptop ram and1 GB 2Rx8 PC2 5300S -666-12????? plz help.
My original ram is 1 GB 2Rx16 PC2 6400S -666-12 hynix and if i used it in combination with 1 GB 2Rx8 PC2 5300S -666-12 will it reduce performance??my laptop is compaq cq 40.
thanks in advance...
 

neo2chat

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Oct 21, 2011
5
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18,510
Hello guys, i need to upgrade my notebook memory. what is difference between a 1 GB 2Rx16 PC2 6400S -666-12 hynix laptop ram and1 GB 2Rx8 PC2 5300S -666-12????? plz help.
My original ram is 1 GB 2Rx16 PC2 6400S -666-12 hynix and if i used it in combination with 1 GB 2Rx8 PC2 5300S -666-12 will it reduce performance??my laptop is compaq cq 40.
thanks in advance...
 
2R means Dual Rank memory (as opposed to 1R, single rank)

x16 / x8 are just standards for how dense the memory is. Whatever you do, you should get memory that matches.


I personally would get one of these kits, which will be the higher performance type (the same as your original) Also, you know that they will work together, since they are already tested.

http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=100007609%20600006176%20600000426%20600000397&IsNodeId=1&name=2GB%20%282%20x%201GB%29
 

neo2chat

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@itzdanielp: I went through the link you sent me , but the problem which I'm encountering is that 6400 goes with a 800mhz ram and I could not find a 667 mhz ram with 6400 specification......
 

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