I have an MSI P67A-C43 (NOT B3) motherboard. I want to upgrade the memory from 4GB to 16 GB. Please advise the correct specs

[Guest]

Memory upgrade question for MSI P67A-C43.

 

[Tradesman1]

What CPU? If a non-K CPU would look at the 2x8GB Ripjaws X or Snipers in 1333 - if a K model maybe the same in 1600-1866