CPU

HPE Intel Xeon processor - 3.80GHz (Irwindale, 800MHz front side bus, 2MB Level-2 cache) - Includes heat sink with processor holder

HPE Intel Xeon Single-Core 64-bit processor - 3.60GHz (Nocona, 800MHz front side bus, 2MB Level-2 cache, 110W) - Includes heat sink with processor holder

HPE Intel Xeon Single-Core 64-bit processor - 3.40GHz (Nocona, 800MHz front side bus, 2MB Level-2 cache) - Includes heat sink with processor holder

HPE Intel Xeon Single-Core 64-bit processor - 3.00GHz (Irwindale, 800MHz front side bus, 2MB Level-2 cache) - Includes heatsink with processor holder

HPE AMD Opteron 250 single core processor - 2.4Ghz (1MB Level-2 cache, socket 940, 68W, CG stepping microprocessor, FPGA)

HPE AMD Opteron 252 Dual Core processor - 2.6GHz (1GHz front side bus, 95-watt, 1MB Level-2 cache, supporting HyperTransport technology)