DigitalHeros,  Unfortunately those dimms won't be supported. The T20 will require ECC dimms, so the Non-ECC dimms will likely cause the server to not start.  Let me know if this helps.
Hi there, I am looking to find out if I can insert an additional 2x 8GB Kingston Modules into our server; New RAM -  KVR16N11/8 Kingston® Memory - 8GB DDR3-1600MHz, 240-Pin, PC3-12800, Non-ECC, CL11, Dual Rank DIMM According to CPU-Z the server currently has; [IMAGE] Thanking you in advance, Jonathan 
Dell PowerEdge T20 Kingston RAM Upgrade