8GB Total memory using 2pc of 4GB DDR3, 1600MHz, Non-ECC, CL11, X8, 1.5V, Unbuffered, DIMM, 240-pin Lifetime warranty for exchange. Brand Computer Memory Solutions We don't use Generic modules to avoid incompatibility issues. Guaranteed to work or you get all of your money back including shipping. Features Acer Aspire M3470, M3470G Series AM3470/G-xxx Max memory 16gb sockets 4