RAM speed difference?

["Scott R. Ehrlich" <user=81@nabble.blu.org>]

 I'm pricing out some servers (from Dell) and deciding between their 1955 
blade server and a 2950 2U server.   I learned the 1955 has only 4 RAM 
slots, whereas the 2950 has 8.  Thus, I could populate with 4 x 4 GB 
modules, or 2 x 2 GB modules (cost savings).  But, for compute-intensive 
work, where the majority of a program will work between CPU and RAM, how 
much of a cost, compute-wise, is there, between 4 GB and 2 x 2 GB? 

I could go with 10 blades, or 10 2950 machines.   The benefit of the 2950 
would be more slots for RAM and, with its architecture, easier to manage 
and expand (I work with two of the 2950 machines anyway, and have seen 
the 1955). 

I'm not a/the programmer.  I'm just relaying, and using my resources to 
get the best hardware that fits the need. 

Thanks for insight/feedback. 

Scott 

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