The HP ProLiant ML570 G4 server is the industry's first four-processor expansion server, providing outstanding performance and increased reliability that includes hot-plug RAID memory and powerful management capabilities.The ProLiant ML570 G4 is a highly expandable and reliable server that is ideal for use in data centers and remote enterprise environments. Support for Intel's Xeon processors, boosts performance for demanding multi-threaded applications including those for database, financial services and supply-chain management.