43W5990 - IBM 2.53GHz 5.86GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon E5540 Quad Core Processor

43W6050 - IBM 2.66GHz 6.40GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon X5550 Quad Core Processor

43W6081 - IBM 1.86GHz 1066MHz FSB 8MB L2 Cache Intel Xeon L5320 Quad Core Processor

43W6082 - IBM 1.86GHz 1066MHz FSB 8MB L2 Cache Intel Xeon L5320 Quad Core Processor

43W6083 - IBM 1.86GHz 1066MHz FSB 8MB L2 Cache Intel Xeon L5320 Quad Core Processor

43W6084 - IBM 1.86GHz 1066MHz FSB 8MB L2 Cache Intel Xeon L5320 Quad Core Processor

43W6087 - IBM Intel Xeon Quad Core X5355 2.66GHz 8MB L2 Cache 1333MHz FSB 65NM 120W Socket LGA-771 & PLGA-771 Processor

43W6088 - IBM Intel Xeon Quad Core X5355 2.66GHz 8MB L2 Cache 1333MHz FSB 65NM 120W Socket LGA-771 & PLGA-771 Processor

43W6100 - IBM System Board for BladeCenter HS21 (Models G1x, G3x, G4x, G5x) (Refurbished)

43W6130 - IBM 3.00GHz 1333MHz FSB 8MB L2 Cache Intel Xeon X5365 Quad Core Processor

43W6131 - IBM 3.00GHz 1333MHz FSB 8MB L2 Cache Intel Xeon X5365 Quad Core Processor

43W6133 - IBM 3.00GHz 1333MHz FSB 8MB Cache Intel Xeon X5365 Quad Core Processor