The product is a set of 18 2GB DDR-3 SODIMM RAM modules from various reputable brands such as SK hynix, Crucial, and Micron. The total capacity of the memory modules is 32GB, with each module having a capacity of 2GB. The RAM modules have a bus speed of PC3-12800 (DDR3-1600) and are designed for use in computers, laptops, and other devices that require DDR3 memory technology. This set of memory modules is ideal for upgrading or replacing existing RAM modules in order to increase the performance and capacity of your system.