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I am not sure as they are both pc5300 ddr2. But I wouldn't by it from there, it's way too expensive. You can get the same thing at newegg for 54.

I still can't quite figure out why people here buy stuff from owc 😕
 
the one thats 2 dollars more has a lower CAS latency, which ive heard is better, but i'm not a ram expert, so im not sure how much of a difference there would be in the two.

Personally i'd go with newegg like ddehr026 says
 
Yeah hes right the one has a better latency, but with ram at this speed it won't matter. just go with the egg @ 54 🙂
 
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