2pcs of 8GB DDR4, 2666MHz, Non-ECC, CL19, X8, 1.2V, Unbuffered, SODIMM, 260-pin Lifetime exchange or repair warranty against manufacturing defects. Manufactured by Computer Memory Solutions 30 DAY MONEY BACK GUARANTEE We don't use OEM or Generic Modules to avoid incompatibility Compatible withDell G3 15 (3579) Gaming, G3 17 (3779) Gaming max memory 64gb sockets 2