UP572 – Dell 2.40GHz LGA775 Xeon X3220 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 FP479AA 3.50GHz 1333MHz FSB 6MB L2 Cache Socket LGA771 Intel Xeon X5270 Dual-core (2 Core) Processor For xw8600/xw6600 Workstation

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

HP NF152AA 2.80GHz 6.40GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon X5560 Quad-core (4 Core) Processor For Z600/Z800 Workstation