DK594 – Dell 3.60GHz 800MHz FSB 2MB L2 Cache Socket PLGA775 Intel Pentium 4 661 Single-Core (1 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 NF151AA 2.66GHz 6.40GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon X5550 Quad-core (4 Core) Processor

HP 703962-B21 3.50GHz 3200MHz HTL 16MB L3 Cache Socket G34 AMD Opteron 6308 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