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What is cas latency?

Last response: in Memory
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November 26, 2011 5:21:24 AM

so, i just tried ot read a few articles and forum discussions about what cas latency is and what the best is. so far all i got out of it is:

"For instance CAS 3 is not as good as CAS 4 and CAS 5 is not as good as CAS 4 but CAS 3 is not as good as CAS 5."

...? so, if i want the fastest 16 gb ram, (4 x 4gb) sticks DDR3, from a reputable company, what cas latency should i shoot for? i was looking at the G.Skillz ripjaws series, with a CL of 11 thinking it was just about the best, now i dont have a clue what to think! would a corsair with a CL of 9 be better? or what? i just noticed that there wasnt a good description anywhere.

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a c 80 } Memory
November 27, 2011 12:56:00 AM

You have to check the CAS, speed, voltage and module size. If everything else is equal, then CAS 9 is faster than CAS 11.
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a b } Memory
November 27, 2011 1:20:13 AM

You don't need to worry much about your RAM speeds. The differences will be nearly negligible, and the extra money could better be spent on other parts of your computer.
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November 27, 2011 2:12:36 AM

Best answer selected by 6_5x47lapua.
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a b } Memory
November 27, 2011 12:11:21 PM

...so just get 8gb Ripjaws X at 1600mhz, or 16 if you're doing big media/productivity work.
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