2pcs of 16GB 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 G5 15 (5587) Gaming, G7 15 (7588) Gaming, Inspiron 27 7000 (7777) max memory 32gb sockets 2