1pc of 8GB DDR4, 2400MHz, Non-ECC, CL15, X8, 1.2V, Unbuffered, SODIMM, 260-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 16GB or 20GB Sockets 1 Compatible with Lenovo IdeaPad S145 (15) AMD Series, S145 (14) Intel Series, S145-15IWL, S145-14IWL, S145-15IKB