Some basic questions on getting more RAM (Latitude E6400)

Any of these modules should work for you. Again, pricey, see what you can find on eBay I guess.

 

Aaron-

Which one of these "JEDECS" am I following?
Ive got Dell telling me my 4gb of ram is at 800mhz when CPU-Z is telling me otherwise.

 

DDR memory does two operations every clock cycle, so while yours actually runs at 400 MHz (what CPU-Z says), the marketing people like to call it 800 MHz.

 

Thanks Aaron.

So other than the following memory description:

4 GB DDR2 800MHZ PC2-6400

-are there any other things I need to look for (ie, pin(s) number or different types of dimms, eec or non-eec, etc)?

 

CAS latency (CL) 6 if possible, non-ECC.
Of course, a SO-DIMM laptop module (200-pin), not a full-size desktop module.