Asus P5N32-E SLI AiLifestyle Series Motherboard LGA775 socket for Intel Core2 Extreme/Core2 Duo/Pentium Extreme/Pentium D/Pentium 4/Celeron D Processors Intel Quad-core CPU Ready NVIDIA nForce 680i SLI chipset 1333**/1066/800/533 MHz DDR2-800/667/533, Max 8GB Premiere gaming platform with NVIDIA 680i and Intel's Socket T supports LGA775 based processors for maximum gaming power