32GB Total memory using 4pc of 8GB DDR3, 1600MHz, Non-ECC, CL11, Unbuffered, DIMM, 240-pin Lifetime warranty for exchange. by 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 ASRock Motherboard Z68 Pro3-M ASRock Motherboard Z68 Pro3 Gen3 ASRock Motherboard Z68 Extreme7 Gen3 Max memory 32 sockets 4