59Y3957 - IBM 2.66GHz 6.40GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon X5550 Quad Core Processor

59Y3958 - IBM 2.80GHz 6.40GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon X5560 Quad Core Processor

59Y3959 - IBM 2.93GHz 6.40GT/s QPI 8MB L3 Cache Intel Xeon X5570 Quad Core Processor

59Y3960 - IBM 2.00GHz 4.80GT/s QPI 4MB L3 Cache Socket FCLGA1366 Intel Xeon E5504 Quad Core Processor

59Y3961 - IBM 2.26GHz 5.86GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon E5520 Quad Core Processor

59Y3963 - IBM 2.53GHz 5.86GT/s QPI 8MB L3 Cache Socket FCLGA1366 Intel Xeon E5540 Quad Core Processor

59Y3968 - IBM x3550 M3 Hard Drive Cage (all models)

59Y4001 - IBM 2.00GHz 4.80GT/s QPI 4MB L3 Cache Intel Xeon E5503 Dual Core Processor

59Y4002 - IBM 2.26GHz 4.80GT/s QPI 4MB L3 Cache Intel Xeon E5507 Quad Core Processor

59Y4003 - IBM 1.86GHz 4.80GT/s QPI 12MB L3 Cache Intel Xeon L5609 Quad Core Processor

59Y4004 - IBM 2.13GHz 5.86GT/s QPI 12MB L3 Cache Intel Xeon L5630 Quad Core Processor

59Y4005 - IBM 2.26GHz 5.86GT/s QPI 12MB L3 Cache Socket FCLGA1366 Intel Xeon L5640 6 Core Processor