ASUS Rampage Formula LGA775 Intel X48 DDR2-1200 ATX Motherboard 12 x 9.6 (30.5x24.5cm) ATX Form Factor Core 2 Quad/Core 2 Extreme/Core 2 Duo/Pentium Extreme/Pentium D/Pentium 4 Processors CPU Intel Socket Supports Intel next generation 45nm Multi-core CPU's Intel X48/ICH9R Dual-channel DDR2 1200/1066 MHz Support