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I would like to increase memory for my old dell inspiron 6000 and put it to the max, 2 x 1 Gb.From the specs review on cnet.com I see that I have :

DDR2 SDRAM

SODIMM 200 pin

PC2-3200 / 400 Mhz

On crucial.com I can find what I want, but only :

PC2-6400 / 800 Mhz CL6

PC2-5300 / 667 Mhz CL5

Compatibility is guaranteed as they say and they no more propose DDR2 @ 400 Mhz. Questions are :

Do you think I can upgrade with one of those ?

Or is the frontside bus speed determinant (533 Mhz) ?

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Are you sure the ones you found would even work in your laptop? If your laptop uses DDR2-400, it might not support RAM modules that are much faster, like DDR2-667 or 800. DDR2-533 should work, downclocking to the next lower standard is usually not a problem. –  Indrek Mar 10 '13 at 12:47
    
well i am a bit surprised too, but this is what they propose on crucial.com, and apparently it is "Guaranteed-compatible with the Dell Inspiron 6000" –  riimzzai Mar 10 '13 at 12:50
    
I'm not very familiar with Dell Inspirons, but I wouldn't be surprised if there have been multiple revisions of that model. You should check out what type of RAM your laptop actually uses, rather than relying on specs from a review that may or may not be accurate. Download something like CPU-Z or HWM Blackbox and see what they report. –  Indrek Mar 10 '13 at 16:03

1 Answer 1

up vote 1 down vote accepted

I think that RAM module specifications usually state the recommended (or highest stable) settings on which the module should work. So it is always capable of running on lower frequency or higher latency then stated (depends on your CPU and bus settings in BIOS). What matters is if it is DDR2 or DDR3. That must match. Hope I don't say nonsense, but so far it was always like this in my experience.

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yeah... highest stable as you say !! thx for your answer –  riimzzai Mar 10 '13 at 13:19
    
If the answer solves your problem, click the tick mark to mark it as solved. –  pratnala Mar 10 '13 at 13:20

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