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CL2/CL3 question

Last response: in Memory
March 24, 2010 9:02:36 PM

Hi. I'm looking to upgrade my RAM from (4) 512 MB's to (4) 1GB's. The question I have is about the CA2 and CA3 specs. My current RAM is Corsair Value Select VS512MB400. The latency is 2.5-3-3-8. The 1GB version of this same memory is the VS1GB400C3 and it's latency is 3-3-3-8. It seems like all the memory in that class is 3-3-3-8 as well. Is this because the larger size of the memory takes longer to output?

I don't know much about memory other than what Google just taught me in the past 20 minutes :kaola:  but what will I be giving up, if anything, by doubling up my machine with slower RAM? This is really the important question.

Just a quick curiosity...CPUID is saying my Rated FSB is 800 MHZ, but Bus Speed is only 200 MHz, and DRAM Frequency and RAM bandwidth are both also 200 MHz. If there's something that can be done to improve performance, I'm all ears....errr...I mean EYES.

P4 @ 3 GB
Asus P5P800 motherboard
XP Pro

Thanks in advance.

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Best solution

a b } Memory
March 25, 2010 1:28:55 AM

The loss due to slightly higher timings will be negligible. However, the gains from having extra memory (especially if your current system maxes out what it has) can be moderate to huge.
a b } Memory
March 25, 2010 1:30:09 AM

Quick note, the 200MHz are correct. (it is not running slow)
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March 25, 2010 9:28:20 AM

EXT, you answered my questions perfectly. I didn't want to spend the money on 4 new sticks of RAM, not knowing if I'd get the bang for the buck I was looking for. Thanks for taking the time to help me out.

a b } Memory
March 25, 2010 11:14:35 AM

Well, it is actually just from experience from a while back. I went from 1 GB DDR1 to 2 GB DDR1 and lost a little on timings (something like 2-2-2-5 to 2-3-3-6) and the difference was huge - in a good way.
April 4, 2010 12:00:17 AM

Best answer selected by proton777.