$639.00
16GB, 667MHz RDIMM/PC3-10600 2R for DoubleWide UCS-E
2GHz Xeon E6540 105W 6C CPU/18MB cache
2.13GHz Xeon E5506 80W CPU/4MB cache/DDR3 800MHz
8GB DDR3-1333MHz RDIMM/PC3-10600/2x4GB 2R Kit
1.86GHz Xeon L7555 95W CPU/24MB cache