nVIDIA MCP72P Chipset,Supports Socket AM3,1*DDR3+1*DDR2,4*SATA2,1*IDE,1*PCI,1PCI_E X16 Processor Support ... Memory Support1*DDR3 1066/1333 SDRAM SDRAM ( 4GB Max)1*DDR2 800/1066 SDRAM SDRAM ( 4GB Max) (For more information on compatible components ...