Biostar MCP6PM2+. Maximum internal memory: 4 GB. Processor family: AMD, Compatible processor series: Athlon X2 Dual-Core, Phenom II X3, Phenom II X4, Phenom X3, Phenom X4, Sempron, Processor socket: Socket AM2. Audio output channels: 5.1, Audio system: Realtek ALC662. RAID levels: 0, 1, 0+1, 5. Networking features: Fast Ethernet, LAN controller: Realtek RTL8201CL