The product is a set of two Samsung 8GB DDR3-1600 PC3-12800 2Rx8 SODIMM laptop memory modules, with a total capacity of 8GB for each module. These unbuffered memory modules are designed for laptops and notebooks, with a form factor of SO-DIMM and a voltage of 1.35V. The modules are compatible with DDR3 SDRAM technology. Each module has a capacity of 8GB and a frequency of 1600MHz, making them a reliable choice for upgrading your laptop's memory capacity.