The product is a pair of SK hynix 16GB DDR4 PC4-19200 laptop memory modules, with each module containing 8GB of capacity. These SO-DIMM modules have a total capacity of 16GB and a bus speed of PC4-19200 (DDR4-2400). They are designed for use in laptops and have 260 pins for easy installation. Made in China, these memory modules are reliable and efficient for enhancing the performance of your computer.