YH754 – Dell 3.4GHz 800MHz FSB 4MB L2 Cache Socket PLGA775 Intel Pentium D 950 Dual-Core (2 Core) Processor

HP NF148AA 2.26GHz 5.86GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon E5520 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 NF153AA 2.93GHz 6.40GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon X5570 Quad-core (4 Core) Processor

HP KY198AA 3.00GHz 1333MHz FSB 6MB L2 Cache Socket LGA771 Intel Xeon E5240 Dual-core (2 Core) Processor Kit For xw6600/xw8600 Workstation