2PCS OF 16GB DDR4 , 2400MHz , Non-ECC , CL17 , X8 , 1.2V , Unbuffered , DIMM , 288-pin Lifetime exchange or repair warranty against manufacturing defects BY Computer Memory Solutions Manufactured by Computer Memory Solutions We dont use OEM or Generic Modules to avoid incompatibility Max Memory 64GB Sockets 4 Compatible with: ASRock Motherboard Z390 Phantom Gaming SLI/ac, Motherboard Z390 Pro4, Motherboard Z390 Taichi