Msi a78m e45 v2 socket fm2 vga dvi d hdmi 71 channel hd audio micro atx motherboard cpu amd socket fm2 a seriesathlon processors also supports fm2 a seriesathlon processors please refer to cpu support for compatible cpu the above description is for reference only chipset amd a78 chipset main memory 4 x ddr3 memory slots support up to 64gb supports ddr3 1333 1600 1866 2133 mhz dual channel memory architecture supports non ecc un buffered memory