Supermicro MBD-X8DTH-6F-O. Intel Xeon series: E5500, E5600, L5500, L5600, X5500, X5600. Supported memory clock speeds: 800, 1066, 1333 MHz, Supported DIMM module capacities: 16GB, 1GB, 2GB, 4GB, 8GB, Maximum RDIMM memory: 192 GB. RAID levels: 0, 1, 5, 10. PCI Express slots version: 2.0. BIOS type: AMI, BIOS memory size: 32 MB, ACPI version: 3.0