C8510 – Dell 3.40GHz Socket PPGA604 Xeon 1-Core Processor

HP NF146AA 2.00GHz 4.80GT/s QPI 4MB L3 Cache Socket FCLGA1366 Intel Xeon E5504 Quad-core (4 Core) Processor Kit For Z600/Z800 Workstation

HP NF150AA 2.53GHz 5.86GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon E5540 Quad-core (4 Core) Processor Kit For Z600/Z800 Workstation

HP NF154AA 3.20GHz 6.40GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon W5580 Quad-core (4 Core) Processor

HP P1579A 1.00GHz 133MHz FSB 256KB L2 Cache Socket PPGA370/SECC2495 Intel Pentium III Single-core (1 Core) Processor