Asrock P43R1600Twins-WiFi. Supported memory types: DDR2 1066/800/667, Maximum internal memory: 12 GB. Processor family: Intel, Processor socket: Socket 775. Audio system: ALC890, Audio output channels: 7.1. RAID levels: 0, 1, 5, 10. Networking features: 10/100/1000 Mb/s / 54Mbps IEEE 802.11g / 11Mbps IEEE 802.11b