$861.00
16GB DDR4-2133-MHz RDIMM/PC4-17000/dual rank/x4/1.2v
8GB DDR3-1333MHz RDIMM/PC3-10600/2x4GB 2R Kit
2GHz Xeon E6540 105W 6C CPU/18MB cache
8GB DDR3-1333MHz RDIMM/PC3-10600/2x4GB 2R Kit/Low-Dual Volt
2.13GHz Xeon E5506 80W CPU/4MB cache/DDR3 800MHz