F309J – Dell 2.33GHz 1333MHz FSB 4MB L2 Cache Socket LGA775 Intel Core 2 Quad Q8200 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

HP NF147UT 2.13GHz 4.80GT/s QPI 4MB L3 Cache Socket FCLGA1366 Intel Xeon E5506 Quad-core (4 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 NF153AA 2.93GHz 6.40GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon X5570 Quad-core (4 Core) Processor