Per ASUS CROSSHAIR IV FORMULA socket AM3 ATX scheda madre AMD 890FX
AM3/AM3+: 890FX. MPN : Crosshair IV formula. Motherboard Structure : ATX standard type. AMD CPU interface: AM3/AM3+. CPU Type : AMD. Our products fit for DELL, HP, LENOVE, ASUS, MSI, SONY, ACER, GIGABYTE, etc.