Memory configuration on PowerEdge R410

Hi,

I want to upgrade the memory of a PowerEdge R-410 that was bought with a single Xeon E5645 and 3 x 8 GB dual-rank RDIMM 1333MHz. The system has five free memory slots.  I want to know if I can add a single 8 GB dual-rank RDIMM 1333MHz, to bring total memory to 32GB, and if so, what is the proper configuration.

Thanks in advance,

Terry