M6F2X – Dell 3.40GHz 5GT/S Socket LGA1150 8MB Cache Intel Core I7-4770 Quad-Core Processor

HP NF151AA 2.66GHz 6.40GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon X5550 Quad-core (4 Core) Processor

HP KY115AA 3.00GHz 1600MHz FSB 12MB L2 Cache Socket LGA771 Intel Xeon X5472 Quad-core (4 Core) Processor For xw6600/xw8600 Workstation

HP KY116AA 3.40GHz 1600MHz FSB 6MB L2 Cache Socket LGA771 Intel Xeon X5272 Dual-core (2 Core) Processor

HP NF154AA 3.20GHz 6.40GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon W5580 Quad-core (4 Core) Processor