Corsair CMX4GX3M1A1333C9 DDR3 1333MHz 4Gb DDR3 DIMM (CMX4GX3M1A1333C9) manufacturer: Corsair; part number: CMX4GX3M1A1333C9 Corsair CMX4GX3M1A1333C9 DDR3 1333MHz 4Gb DDR3 DIMM (CMX4GX3M1A1333C9)