YY8CC – Dell 2.8GHz 2.5GT/S QPI 4MB L3 Cache Socket PGA988 Intel Core I7-640M Dual-Core (2 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

HP FP477AA 3.40GHz 1600MHz FSB 12MB L2 Cache Socket LGA771 Intel Xeon X5492 Quad-core (4 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 KD215AA 3.00GHz 1333MHz FSB 12MB L2 Cache Socket LGA771 Intel Xeon X5450 Quad-core (4 Core) Processor For xw8600 Workstation