The product is a set of two 2GB PC3-8500S DDR3 SO-DIMM laptop memory modules by Micron. These memory modules have a total capacity of 4GB, with each module providing 2GB of memory. They are designed for use in laptops and feature ECC memory for error correction. The modules have a lifetime manufacturer warranty and are made in China. With a bus speed of PC3-8500S and 204 pins, these memory modules are a reliable choice for upgrading your laptop's memory capacity.