Specifications: Dual Opteron 254,8GB DDR400 ECC Reg,2x 73GB HDD 10K SAS HotSwap,8x DVD,8MB VGA,4x GbE NIC,2x HotSwap Drive Cage, Rackmount 1U Case with Redundant PSUOverview:Meet the new datacenter cost-cutter. The Sun Fire X4100 server is the fastest, energy-efficient, and reliable one-way to four-way x64 1 RU rack server available. Powered by one or two dual-core or single-core AMD Opteron processors, this compact power-saver also runs Solaris OS, Linux, and Windows. Detail Specifications: Platform Dual CPU Rack ServerProcessor Type AMD Opteron Processor- The front side bus of the AMD Opteron processor runs at the speed of the processor- HyperTransport Technology- High Performance 32-bit and 64-bit computing#1 Processor Onboard AMD Opteron 254 Processor 2.8 GHz, Cache 1MB#2 Processor Onboard AMD Opteron 254 Processor 2.8 GHz, Cache 1MBChipset AMD 8151Standard Memory 8 GB (4x 2 GB) ECC DDR Registered SDRAM PC-3200Max. Memory 16 GB (8 DIMMs)Video Type Integra