Supermicro H8QC8+. Processor manufacturer: AMD. Supported memory types: DDR-SDRAM, Supported memory clock speeds: 266, 333, 400 MHz, Maximum internal memory: 64 GB. Hard drive interface: SCSI, Serial ATA, RAID levels: 0, 1, 5, 10. PCI Express slots version: 2.0. BIOS type: AMI, BIOS memory size: 8 MB, ACPI version: 2.0