Biostar K8VGA-M. Supported memory types: DDR-SDRAM, Supported memory clock speeds: 333, 400 MHz, Maximum internal memory: 2 GB. Processor family: AMD, Compatible processor series: Athlon, Sempron, Processor socket: Socket 754. Audio system: Realtek ALC655. Width: 244 mm. RAID levels: 0, 1, 0+1