Systemcapacity (inGB)DIMM size (inGB) Number ofDIMMs DIMM rank,organization, andfrequencyDIMM slot population160 8 20 2R, x8, 1866 MT/s2R, x8, 1600 MT/sA1, A2, A3, A4, A5, A6, A7, A8,A9, A11, B1, B2, B3, B4, B5, B6,B7, B8, B9, B1116 and 8 12 2R, x4, 2133 MT/s,2R, x8, 2133 MT/s,2R, x4, 1866 MT/s2R, x8, 1866 MT/sA1, A2, A3, A4, A5, A6, B1, B2,B3, B4, B5, B6NOTE: 16 GB DIMMs mustbe installed in slotsnumbered A1, A2, A3, A4,B1, B2, B3, and B4 and 8GB DIMMs must beinstalled in slots A5, A6, B5,and B6.192 8 24 2R, x8, 1866 MT/s2R, x8, 1600 MT/sA1, A2, A3, A4, A5, A6, A7, A8,A9, A10, A11, A12, B1, B2, B3, B4,B5, B6, B7, B8, B9, B10, B11, B1216 12 2R, x4, 2133 MT/s,2R, x4, 1866 MT/sA1, A2, A3, A4, A5, A6, B1, B2,B3, B4, B5, B6256 16 16 2R, x4, 2133 MT/s,2R, x4, 1866 MT/s,A1, A2, A3, A4, A5, A6, A7, A8,B1, B2, B3, B4, B5, B6, B7, B8384 16 24 2R, x4, 1866 MT/s,2R, x4, 1600 MT/s,A1, A2, A3, A4, A5, A6, A7, A8,A9, A10, A11, A12, B1, B2, B3, B4,B5, B6, B7, B8, B9, B10, B11, B1232 12 LRDIMM, 4R, x4, 2133MT/sA1, A2, A3, A4, A5, A6, B1, B2,B3, B4, B5, B6512 32 16 LRDIMM, 4R, x4, 2133MT/sA1, A2, A3, A4, A5, A6, A7, A8,B1, B2, B3, B4, B5, B6, B7, B8768 32 24 LRDIMM, 4R, x4, 1866MT/sLRDIMM, 4R, x4, 1600MT/sA1, A2, A3, A4, A5, A6, A7, A8,A9, A10, A11, A12, B1, B2, B3, B4,B5, B6, B7, B8, B9, B10, B11, B12Removing memory modulesPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.80
