1. Dual AMD Opteron 2000 Series (Socket F) Support, 1000 MHz HyperTransport Link 2. nVidia MCP55 Pro Chipset 3. Up to 64GB DDR2 667/533/400 SDRAM 4. Dual-port Gigabit LAN/Ethernet Controller 5. 6 SATA2 3.0Gb/s HDD Support 6. 1U Left Side: 1 (x8) PCI-Express & UIO Slots 2U Left Side: 2 (x8) PCI-Express & UIO Slots 2U Right Side: 1 (x8) PCI-Express & 1 (x4) PCI-Express Slots 7. ATI ES1000 16 MB Graphics 8. SIMSO IPMI 2.0 Support 9. UID Support