44 PowerEdge M520 Technical GuideResource Description of contents LocationDell Energy SmartData CenterAssessmentuses infrastructure and thermal analysis to help maximizesystem efficiencyDell.com/EnergySmartEnergy SmartSolution Advisor(ESSA)The Dell online advisor console enables easier and moremeaningful estimates to help you determine the mostefficient configuration possible. Use ESSA to calculate thepower consumption of your hardware, powerinfrastructure, and storage.Dell.com/ESSAPower andcoolingtechnologiesProvides details for improving energy efficiency in thedata center.Dell.com/PNCEnergymanagementProvides information on Dell’s Fresh Air solutions. Dell.com/FreshAirOperating systemmatrix for DellPowerEdgesystemsProvides updated information on which operatingsystems are available on which PowerEdge systems.Dell.com/OSsupportProcessor andchipsetProvides more information about the R520 processorsand chipset.Intel.comDell PowerEdgeRAID controllersProvides more information on Dell PowerEdge RAIDcontrollers (PERC).Dell.com/PERCPower distributionunit (PDU)Provides help selecting a power distribution unit (PDU). DellPDU.comUninterruptiblepower supply(UPS)Provides help selecting an uninterruptible power supply(UPS) model.DellUPS.comVolatilityinformationContact your Dell Sales Representative.