U277N – Dell 2.26GHz LGA1366 Xeon E5520 4-Core Processor

HP NF147UT 2.13GHz 4.80GT/s QPI 4MB L3 Cache Socket FCLGA1366 Intel Xeon E5506 Quad-core (4 Core) Processor

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

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

HP KY115AA 3.00GHz 1600MHz FSB 12MB L2 Cache Socket LGA771 Intel Xeon X5472 Quad-core (4 Core) Processor For xw6600/xw8600 Workstation