$478.00
2X4GB DDR3-1333-MHz RDIMM/PC3-10600/single rank/1.35v
2.13GHz Xeon E5506 80W CPU/4MB cache/DDR3 800MHz
8GB DDR3-1333MHz RDIMM/PC3-10600/2x4GB 2R Kit
8GB DDR3-1333MHz RDIMM/PC3-10600/2x4GB 2R Kit/Low-Dual Volt