Hi,
I have an R710 that contained existing 24GB RAM (2GB DIMMs) from Samsung (part# below).
I purchased new 64GB of Crucial Memory and thought I would be able to combine them to get 88GB.
I am having a tough time combining different memory but I am not sure why it wouldn't work. I understand that I should be able to mix and match sizes and speeds. I thought I followed where they should be installed and I tried every combination and made sure they were balanced across both CPUs. No matter what I tried they just would not work together.
I even tried putting in the 64GB of new RAM and just try adding 4GB of the old RAM but would still not work.
This is what I have:
12 x 2GB: Samsung M391B5773CH0 - YH9 (2GB 1Rx8 PC3L) (Original Memory)
I wanted to grow the memory so I purchased Crucial Memory. An additional 64GB.
4 x 16GB: Crucial DDR3 PC3-12800 Registered ECC 1.5V 2048Mx72
thanks for any help.