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Hypersonic Memory

post #1 of 2
10/20/05 at 4:15pm
Thread Starter 
1024MB PC4200 DDR2-533 SODIMM
..vs..
1024MB Mushkin PC4200 DDR2-533 SODIMM (Low Latency 4-4-4-12)
..vs..
1024MB Crucial PC4200 DDR2-533 SODIMM (CAS Latency 4)

The later two modules are $30 more per 1024 MB DIMM (and $5 more per 512MB DIMM) than the first module.

I'm thinking of ordering a system with 3GB RAM:
1024MB + 1024MB + 512MB + 512MB.

So the total price increase to order low-latency DIMM's will be about $70.

This price increase is minimal compared to the overall system price, but will I notice a difference and/or are there any disadvantages to the low-latency DIMMs?
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post #2 of 2
10/20/05 at 8:52pm
Low latency = better performance... However is this for a laptop? I know the top of the line desktop Ram has a CAS latency of 2. For most people 2-3 afaik you won't see a huge difference, might see a difference between 2-4 not sure. 4-4-4-12 doesn't look super low to me. 2-3-3-6 from DDR is some of the best latency, however its got a different speed so meh.


Overall, most likely you won't notice a huge difference, but if you're building a hypersonic chances are you want it to be top performance, in which case the higher quality ram is something worth investing in. My point being, the higher quality ram, higher rpm hard drive, extra couple pipelines on the GPU, etc. etc. all adds up to make a true performance system.
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