The product is a genuine Hynix laptop memory module with a total capacity of 8GB and a capacity per module of 8GB. It features ECC memory, is designed as a SO-DIMM form factor, and operates at a bus speed of PC4-21300 (DDR4-2666). The memory module is manufactured in the United States and comes with a lifetime warranty from the manufacturer. It is a reliable and high-quality component for upgrading or replacing memory modules in laptops.