T518D – Dell 2.00GHz PPGA478 Core 2 Duo T7250 2-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 NF151AA 2.66GHz 6.40GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon X5550 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

HP P1770A 800MHz 1333MHz FSB 256KB L2 Cache Socket PPGA370 / SECC2495 Intel Pentium III Single-core (1 Core) Processor