abit AX78. Supported memory types: DDR2 1066/800/667, Maximum internal memory: 8 GB. Processor family: AMD, Processor socket: Socket AM2, Processors compatible: Phenom™ FX. Audio system: HD, Audio output channels: 7.1. Width: 305 mm, Depth: 244 mm. Controller (2nd) interface type: Ultra DMA 133/100/66/33 IDE, Controller interface type: SATA, RAID levels: 0/1/0+1