Table 56. Parts listing, Types 3837 and 3839 (continued)Index DescriptionCRU partnumber (Tier1)CRU partnumber (Tier2)FRU partnumberMicroprocessor, 2.5 GHz, 37.5 MB, 130W, 15C, E7-8880 v2 44X4018Microprocessor, 2.2 GHz, 37.5 MB, 105W, 15C, E7-8880L v2 44X4038Microprocessor, 2.8 GHz, 37.5 MB, 155W, 15C, E7-8890 v2 44X4023Microprocessor, 3.2 GHz, 37.5 MB, 155W, 10C, E7-8891 v2 44X4028Microprocessor, 3.4 GHz, 37.5 MB, 155W, 6C, E7-8893 v2 44X4008Microprocessor installation tool, (for E7-x8xx v2 series) 94Y9971Midplane, x3950 X6 8-socket for 8U 00D0056N2125 SAS/SATA Host Bus Adapter for IBM System x 46C9011N2215 SAS/SATA Host Bus Adapter for IBM System x 47C8676Intel Xeon Phi 3120A PCI Express x16 Adapter 90Y2403NVIDIA Grid K1 PCI Express x16 AdapterNote: Do not install this adapter in systems containing1TB of system memory or more. If this option is installedin systems with 1TB of memory or more, it might causeundetected data corruption and system instability. Thisoption is only supported in systems containing less than1TB of memory. This limitation applies to both the 4-socket(4U) and the 8-socket (8U) configurations. For moreinformation, see RETAIN tip H213010 athttp://www.ibm.com/support/entry/myportal/docdisplay?lndocid=migr-5096047..90Y2355NVIDIA Grid K2 Actively Cooled PCI Express x16 AdapterNote: Do not install this adapter in systems containing1TB of system memory or more. If this option is installedin systems with 1TB of memory or more, it might causeundetected data corruption and system instability. Thisoption is only supported in systems containing less than1TB of memory. This limitation applies to both the 4-socket(4U) and the 8-socket (8U) configurations. For moreinformation, see RETAIN tip H213010 athttp://www.ibm.com/support/entry/myportal/docdisplay?lndocid=migr-5096047.90Y2395NVIDIA Quadro K4000 PCI Express x16 AdapterNote: Do not install this adapter in systems containing1TB of system memory or more. If this option is installedin systems with 1TB of memory or more, it might causeundetected data corruption and system instability. Thisoption is only supported in systems containing less than1TB of memory. This limitation applies to both the 4-socket(4U) and the 8-socket (8U) configurations. For moreinformation, see RETAIN tip H213010 athttp://www.ibm.com/support/entry/myportal/docdisplay?lndocid=migr-5096047.90Y2375212 System x3850 X6 and x3950 X6 Types 3837 and 3839: Installation and Service Guide