<p>This IBM® RedpaperTM is a comprehensive guide covering the Power 550 server. The goal of this paper is to introduce the innovative Power 550. It introduces major hardware offerings and discusses their prominent functions, including:<br>o The POWER6 processor available at frequencies of 3.5 GHz, 4.2 GHz, and 5.0 GHz.<br>o The specialized POWER6 DDR2 memory that provides greater bandwidth, capacity, and reliability.<br>o The 1 Gb or 10 Gb Integrated Virtual Ethernet adapter that brings native hardware virtualization to this server<br>o EnergyScale technology that provides features such as power trending, power-saving, capping of power, and thermal measurement<br>o PowerVM Live Partition Mobility<br>o Mainframe continuous availability brought to the UNIX environment<br>This Redpaper expands the current set of IBM System p documentation by providing a desktop reference that offers a detailed technical description of the 550 system.<br>This Redpaper does not replace the latest marketing materials and tools. It is intended as an additional source of information that, together with existing sources, may be used to enhance your knowledge of IBM server solutions.</p>