4GB Total memory using 1pc of 4GB DDR3, 1600MHz, Non-ECC, CL9, X8, 1.5V, Unbuffered, DIMM, 240-pin, Lifetime warranty for exchange. BRAND CMS We don't use Generic modules to avoid incompatibility issues. Guaranteed to work or you get all of your money back including shipping. MAX MEMORY 16GB SOCKETS 2 Features Compatible with ASUS/ASmobile M11 Desktop M11BB