SystemCapacity (inGB)DIMM Size (inGB) Number ofDIMMs DIMM Rank,Organization, andFrequencyDIMM Slot PopulationNOTE: 16 GB DIMMs must beinstalled in slots numbered A1,A2, A3, A4, B1, B2, B3, and B4and 8 GB DIMMs must beinstalled in slots A5, A6, B5, andB6.192 8 24 2R, x4, 1333 MT/s A1, A2, A3, A4, A5, A6, A7, A8, A9,A10, A11, A12B1, B2, B3, B4, B5, B6, B7, B8, B9,B10, B11, B1216 12 2R, x4, 1333 MT/s,2R, x4, 1600 MT/sA1, A2, A3, A4, A5, A6B1, B2, B3, B4, B5, B6256 16 16 2R, x4, 1333 MT/s,2R, x4, 1600 MT/s,A1, A2, A3, A4, A5, A6, A7, A8B1, B2, B3, B4, B5, B6, B7, B8384 16 24 2R, x4, 1333 MT/s A1, A2, A3, A4, A5, A6, A7, A8, A9,A10, A11, A12B1, B2, B3, B4, B5, B6, B7, B8, B9,B10, B11, B1232 12 4R, x4, 1333 MT/s A1, A2, A3, A4, A5, A6B1, B2, B3, B4, B5, B6512 32 16 4R, x4, 1066 MT/s4R, x4, 1333 MT/sA1, A2, A3, A4, A5, A6, A7, A8B1, B2, B3, B4, B5, B6, B7, B8768 32 24 LRDIMM, x4, 1333 MT/s A1, A2, A3, A4, A5, A6, A7, A8, A9,A10, A11, A12B1, B2, B3, B4, B5, B6, B7, B8, B9,B10, B11, B12Removing Memory ModulesWARNING: The memory modules are hot to the touch for some time after the system has been powered down.Allow time for the memory modules to cool before handling them. Handle the memory modules by the card edgesand avoid touching the components or metallic contacts on the memory module.CAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the online ortelephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by yourwarranty. Read and follow the safety instructions that came with the product.CAUTION: To ensure proper system cooling, memory-module blanks must be installed in any memory socket that isnot occupied. Remove memory-module blanks only if you intend to install memory modules in those sockets.1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet andperipherals.2. Open the system.3. Remove the cooling shroud.4. Locate the appropriate memory-module socket(s).48
