8 Getting Started With Your SystemObtaining Technical AssistanceIf you do not understand a procedure in this guide or if the system does notperform as expected, see your Hardware Owner’s Manual. Dell™ offerscomprehensive hardware training and certification. See www.dell.com/trainingfor more information. This service may not be offered in all locations.Technical SpecificationsProcessorProcessor type One or two quad- or dual-core Intel® Xeon® processorsExpansion BusBus type PCI Express Generation 2Expansion slots viariser card:Riser 1 (Center Riser)One full-height, 9.5-inch length, x4 link (slot 1)NOTE: This slot can be upgraded to 12.2 inches.One low-profile, 9.5-inch length, x4 link (slot 2)Riser 2 (Left Riser) Two full-height, 9.5-inch length, x8 link (slot 3 and 4)orOne full-height, 9.5-inch length, x16 link (slot 3)NOTE: Support for up to 25W is available only on the firsttwo cards installed in the system; any additional cardsinstalled in the system must be 15W or under.MemoryArchitecture 800, 1066, or 1333 MHz DDR3 registered or unbufferedError Correcting Code (ECC) DIMMs. Support forAdvanced ECC or Memory Optimized operation.Memory modulesocketsEighteen 240-pinMemory modulecapacities1 GB and 2 GB UDIMMs, and 2 GB, 4 GB,or 8 GB RDIMMs(single, dual, or quad-rank dependent on capacity)Minimum RAM 1 GB with a single processor (1 DIMM per processor)Maximum RAM 96 GB (with quad-rank 8 GB RDIMM), 144 GB(with dual-rank 8 GB RDIMM), or 24 GB (with 2 GBUDIMMs)