The IBM System x3950 is built on IBM X3 Architecture that delivers mainframe-inspired enhancements to the high-performance x64 server industry. With a balanced focus on providing breakthrough 64-bit performance and high availability, the x3950 is designed for the changing business needs of enterprise customers - at a low entry price point.Note: Memory, HDDs, and ServeRAID will be configured in second-level manufacturing before customer shipment.