The demands of enterprise and high performance computing mandate highly reliable and scalable 64-bit systems. UltraSPARC III based systems offer customers investment protection already built in with CPU features including copper interconnect for improved signaling and best-in-class power consumption, shortened 90 nanometer gate length for faster performance, mixed speeds in a chassis, thermal and electrical footprint preservation enabling simple upgrade paths and industry-leading RAS. UltraSPARC III based systems are optimized to meet, or exceed, customer expectations providing real-world performance and reduced Total Cost of Ownership (TCO).The uniboard is bundled with: 4 CPUs running at 1050MHz; 4x8MB Ecache; 4 banks of 1GB memory options (16 x 256MB DIMMs, 4GB total for the board). It is intended for use with the Sun Fire 3800, 4800, 4810, 6800, 12K and 15K.