R510N – Dell 2.00GHz LGA1366 Xeon E5504 4-Core Processor

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

HP NF147AA 2.13GHz 4.80GT/s QPI 4MB L3 Cache Socket FCLGA1366 Intel Xeon E5506 Quad-core (4 Core) Processor For Workstation Z600/Z800

HP KY114AA 3.20GHz 1600MHz FSB 12MB L2 Cache Socket LGA771 Intel Xeon X5482 Quad-core (4 Core) Processor