Asus introduces the affordable yet feature-rich dual-processor server motherboard – the KCMA-D8. Based on the AMD SR5670 and SP5100 chipsets, the board supports dual up-to-date Opteron 4100 processors with industry-leading performance-per-watt. 8 x DIMMs support up to 128GB RDIMM or 32GB UDIMM DDR3 1333/1066/800 memory. The 12�x10� ATX form factor offers unmatched flexibility when building server systems. Built with both durability and energy efficiency in mind, the KCMA-D8 utilizes high quality components including 100% ultra long life solid capacitors and molding choke, providing the durability, reliability and over 85% power efficiency essential to server and workstation environment. The KCMA-D8 supports Promise Software RAID on motherboard for fast, efficient, and reliable RAID configuration and Asus PIKE SAS2 6G Storage for flexible and scalable storage solutions. Optional ASMB4-iKVM allows for convenient, real-time remote management. CPU Type: Dual AMD Opteron 4100 Series 4/6 Core Processor South Bridge: AMD SP5100 Number of DDR3 Slots: 8 x 240pin Maximum Memory Supported: 128GB(RDIMM) / 32GB(UDIMM) ECC Supported: Yes Registered: Yes PCI Express 2.0 x16: 1 x PCI-E x16 (Gen2 X8 Link) 1 x PCI-E x16 (Gen2 X16 Link) PCI Express x8: 1 x PCI-E x8 (Gen2 X4 Link) (Auto turn off if PIKE is occupied, MIO supported)