4GB total memory consisting of 1PCS OF 4GB DDR4, 2133MHz, Non-ECC, CL15, X8, 1.2V, Unbuffered, DIMM, 288-pin Lifetime exchange or repair warranty against manufacturing defects. by Computer Memory Solutions Brand Computer Memory Solutions 30 Day money back guarantee We don't use OEM or Generic brands to avoid incompatibilities
Compatible with: Lenovo Ideacentre 300s (DDR4) 2184-xxx; 2688-xxx Max Memory 8GB Sockets 2