Supermicro MBD-X8STI-LN4-O. Intel Xeon series: E5500, E5600, L5500, L5600, X5500, X5600. Supported memory clock speeds: 800, 1066, 1333 MHz, Maximum internal memory: 24 GB, Supported DIMM module capacities: 1GB, 256MB, 2GB, 4GB, 512MB. RAID levels: 0, 1, 5, 10. BIOS type: AMI, BIOS memory size: 32 MB, ACPI version: 2.0. Ethernet interface type: Gigabit, LAN controller: Intel 82574L