The Enterprise 6000 is a rack mount data center server that has leading scalability and performance for large-scale, mission-critical applications. It offers twice the CPU and memory expandability of the Enterprise 5000 and delivers the highest level of compute and I/O performance in the Enterprise family of servers. The Enterprise 6000 has 16 system board slots and supports up to 30 UltraSPARC processors, up to 30 GB of memory and over 10 TB of external storage.The Enterprise 6000 is designed for customers off-loading mainframe systems or requiring mainframe-class compute and I/O performance. Target applications for this data center system include multi-terabyte data warehouses; large-scale OLTP applications supporting up to thousands of users; plus high-end, compute-intensive technical applications for modeling and simulation.This option allows you to upgrade your system from Sun Enterprise 2000.