MSI Core 2 Quad/ Intel G41/ DDR3/ A&V&GbE/ MATX Motherboard G41M-P34 CPU Socket Type - LGA 775 CPU Type - Core 2 Quad/Duo / Pentium Dual-Core / Celeron FSB - 1333/1066/800MHz. Chipsets - Intel G41 & Intel ICH7 Number of Memory Slots - 2 240pinSupports up to 8GB of DDR3 800/1066/1333* (OC)