IBM System x3500 M4 20Power supplies and redundant coolingThe server supports up to two redundant power supplies. Standard models come with one or two powersupplies (model dependent). The server also comes standard with either two (for models with oneprocessor installed) or three (for models with two processors installed) simple swap cooling fans. Optionalupgrade is available to provide N+N cooling redundancy. The following table lists the power supplies andredundant cooling upgrade option.Table 14. Power suppliesPartnumberDescription Max quantitysupportedStandard modelswhere used94Y5973 IBM System x 750W High Efficiency Platinum ACPower Supply2 A2x, B2x, C2x, C4x, D2x, F2x94Y5974 IBM System x 900W High Efficiency Platinum ACPower Supply2 G2x, H2x, J2x81Y7007 Redundant Cooling Upgrade Kit 1 -An AC power supply ships standard with one 2.8 m line cord (country specific). The redundant cooling kitcontains three simple swap fans.Integrated virtualizationThe server supports VMware ESXi installed on a USB memory key. The key is installed in a USB socketinside the server. The following table lists the virtualization options.Table 15. Virtualization optionsPart number Description Maximum quantitysupported41Y8298 IBM Blank USB Memory Key for VMware ESXi Downloads 141Y8300 IBM USB Memory Key for VMware vSphere 5.0 1Remote managementThe server contains IBM Integrated Management Module II (IMM2), which provides advancedservice-processor control, monitoring, and an alerting function. If an environmental condition exceeds athreshold or if a system component fails, the IMM2 lights LEDs to help you diagnose the problem, recordsthe error in the event log, and alerts you to the problem. Optionally, the IMM2 also provides a virtualpresence capability for remote server management capabilities.The IMM2 provides remote server management through industry-standard interfaces:Intelligent Platform Management Interface (IPMI) Version 2.0zSimple Network Management Protocol (SNMP) Version 3zCommon Information Model (CIM)zWeb browserz