PCI ExpressGeneration 3expansion slotsusingexpansion cardriserSpecification(Slot 2) one full-height, half-length x16 link for processor 1PCIE_G3_X8 (Slot 1) one full-height, half-length x4 link for processor 1(Slot 2) one half-height, half-length x8 link for processor 1Memory specificationsMemory SpecificationArchitecture DDR3 UDIMMs that operates at 2133 MT/s.Support for advanced ECC or memory optimized operationMemory modulesocketsFour 288-pin socketsMemory modulecapacities(UDIMM)4 GB (single-rank), 8 GB (dual-rank), 16 GB (dual-rank)Minimum RAM 16 GBMaximum RAM 64 GBNOTE: For system specific memory details, see Supported configurations section.Related LinksSupported configurationsPower specificationsPower supplyunitSpecificationPower rating perpower supply unit(PSU)250 W (Bronze) AC (100–240 V, 50/60 Hz, 4.0 A-2.0 A)Heat dissipation NOTE: Heat dissipation is calculated using the PSU wattage rating.1039 BTU/hr maximum (250 W PSU)Voltage NOTE: This system is also designed to be connected to IT power systems witha phase-to-phase voltage not exceeding 230 V.100–240 V AC, autoranging, 50/60 Hz19