Mixing RAM Density on HP Z420 workstation

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psyclist

Gawd
Joined
Jan 25, 2005
Messages
844
Hey Guys,

Ive been doing a lot of heavy processing at work on large datasets, I have to upgrade a spare tower we have with more RAM. Its an E5-1620 with quad channel memory and 8 slots total. It currently only have 4x2GB ECC RAM installed, and I want to either double it to 16GB with another set of 4x2GB, or possibly move to 4X4GB to give a total of 24GB.

My question is with the ECC quad channel setup, would it be alright to use the current 4x2GB and then add the 4x4GB setup? or should I stick to the same density? Not so versed on the server/workstation side of things. Thanks!
 
I've never benchmarked to see if there was any difference in speed but on one of my Socket 2011 servers (test server) I had mixed 4x4GB and 4x8GB and it worked without issue.
 
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