The product consists of 3 SO-DIMM DDR3 SDRAM memory modules with a total capacity of 5GB. The memory modules include 2x2GB and 1x1GB modules, providing a capacity per module ranging from 2GB to 1GB. These memory modules are ideal for upgrading or replacing memory in laptops or other devices that support SO-DIMM memory technology. With a unit quantity of 3 and a manufacturer warranty not included, this product offers reliable and high-quality memory capacity for various computing needs.