Description The Sun Fire E4900 Server is a high-performance, highly available midrange data center server most suited for mission-critical data center environments. Scaling up to 12 UltraSPARC IV processors with chip multithreading technology executing 24 simultaneous computing threads, the E4900 also offers Full Hardware Redundancy, fault-isolated Dynamic System Domains, and Dynamic Reconfiguration for hot swapping key server components. The E4900 server protects your investment with the ability to mix and manage UltraSPARC IV and UltraSPARC III processors- running at their rated speeds - in the same system. Processor: 4 to 12 UltraSPARC IV and UltraSPARC III Cu processors Memory: Up to 96 GB memory per domain Disk: Sun StorEdge D240 Media Tray, Sun StorEdge S1 Array up to (optional) 219 GB capacity and 1U form factor 9.6 GB/sec Sun Fireplane interconnect; system bus with redundant data, address, and response crossbar interconnect Up to three Uniboard CPU/memory boards each with four processors and up to 32 GB of memory per board; maximum 12 processors per system 16 PCI slots (4 at 66-MHz and 12 at 33-MHz) Full hardware redundancy, fault-isolated Dynamic System Domains, Dynamic Reconfiguration (DR), redundant network connections, redundant storage connections Auto Diagnosis and Recovery, kernel hot-patching, hardened operating system kernel, live operating system upgrades, journaling file system, hardened I/O drivers, CPU off-lining, memory page retirement, after-kernel hot patching, and cluster support Solaris 8 (02/04), Solaris 9 (04/04) or later