ASUS P5N-E SLI NVIDIA nForce 650i SLI Socket 775 ATX Motherboard w/Audio, Gigabit LAN & RAID - Motherboard Only ASUS P5N-E SLI NVIDIA nForce 650i SLI Socket 775 ATX Motherboard General Features: ATX form factor NVIDIA nForce 650 SLI MCP chipset Socket 775 architecture Supports 1333/1066/800/533 MHz FSB speeds Dual-channel memory architecture Supports up to 8 GB DDR2 800/667/533 MHz memory Supports 2-way SLI with SLI bridge Integrated Realtek ALC883 8-channel high definition audio