IBM System x3850 X6 12Additional power: Depending on your workload and configuration you may need to provision foradditional PDU outlets, cables and power capacity for your x3950 X6 server. Use the IBM PowerConfigurator to determine your total power draw to assist you in provisioning adequate power. Youcan download the IBM Power Configurator fromhttp://ibm.com/systems/bladecenter/resources/powerconfig.htmlAdditional rack space: An additional 4U of rack space is required when upgrading the x3850 X6 to thex3950 X6, for a total of 8U of rack space.Down time: In order to upgrade the x3850 X6 server to a x3950 X6 server you will need to allow fordown time. The server will need to be completely powered off and have some of its componentsremoved for re-installation into the new x3950 X6 server.For further information on the RPQ upgrade, contact IBM Techline at techline@us.ibm.com.