A cost-optimized storage-rich alternative to traditional enterprise 2U dual-socket serversPlease see the Legal Information section for important notices and information. 18• Active Memory protection: Advanced Chipkill ECC memory protection support Memory mirroring• Integrated ServeRAID controller — enhances system availability and serviceability• A choice of hot-swap SAS/SATA HDDs or simple-swap SATA HDDs for quicker servicingthan with fixed drives• Ultra-efficient cooling• Optional hot-swap/redundant power supplies• Front-panel status LEDs• Toolless chassis and toolless slide designServer Comparison ChartThe following table shows the suggested uses for the respective IBM System x rack-optimized servers, including comparisons of theuses for which each server is best suited:Important Nice to Have Can do without1 2 3 Best Better GoodTheme Key WorkloadsScalabilityFloating PointPerformanceMemoryThroughputIntegerPerformanceI/O and StorageDensityHigh AvailabilitySystemsManagementSecurityDistributedDeploymentx3250M3x3550M3x3620M3x3650M3x3690X5x3755x3850X5x3950X5Cluster / HPC 3 1 1 2 2 1 3 3 3 3 Modeling & Simulation 2 1 1 1 3 1 3 2 3 3 High Performance DB 2 2 1 1 1 3 2 2 3 3 Business Intelligence 2 1 1 1 2 1 2 2 1 3 Search 3 1 1 1 2 1 3 3 1 2 Content 2 2 2 2 2 1 3 3 2 2 Communities 1 2 2 2 1 1 2 3 2 2 Commerce 2 1 1 1 2 1 1 2 1 2 Collaboration 2 3 2 3 2 1 2 3 2 2 ERP/SCM 1 2 1 1 1 2 1 1 1 2 CRM 2 2 2 2 2 2 2 2 1 3 Hosted Client 1 3 2 1 2 2 1 1 2 2 Point of Sale 3 3 3 2 1 3 1 1 1 1Branch Office 2 3 3 3 2 2 1 1 2 1 Virtualization 1 2 2 2 1 2 1 1 2 3 Business Continuity 2 3 3 3 1 2 2 1 2 2 Database 2 2 1 2 1 2 1 2 2 3 Email/Collaboration 2 3 2 1 2 2 1 1 2 2 Security 2 2 2 2 2 1 1 1 1 3 Web Serving 3 2 2 2 3 1 2 1 3 3 File & Print 2 3 2 3 1 2 2 1 3 3 Rack-Optimized ServersRequirementsInfrastructureApplicationsWeb 2.0 /Web 3DHPCBusinessApplications