ASUS P5Q-EM LGA775 Intel G45 DDR2-1066 Intel GMA X4500HD IGP mATX Motherboard Form Factor - microATX Form Factor CPU Socket Type - LGA 775 CPU Type - Core 2 Quad/Core 2 Extreme/Core 2 Duo/Pentium dual-core/Celeron dual-core Chipset - Intel G45 / Intel ICH10R Number of Memory Slots - 4 x 240pin DIMM