Asus P5N-E SLI REV:1.01G Motherboard + Intel Core 2 Quad Q6600 2.40GHz + Fan I/O Asus P5N-E SLI REV:1.01G Motherboard Sold with Intel Core 2 Quad Q6600 2.4GHz CPU, Fan and I/O Plate CPU Type Socket 775 NVIDIA nForce 650i SLI Chipset ATX Form Factor