The product is a set of two Kingmax 512MB DDR400 memory modules, each with a capacity of 512MB. These modules have an IC 32Mbx8 FHAS MPXD42D-2K for the system. The memory modules are specifically designed for computers requiring DDR400 memory technology, ensuring fast and efficient performance for various computing tasks. With Kingmax as the trusted brand, these memory modules offer reliability and stability for your system's memory needs.