The product is a 1GB DDR SDRAM DDR-400 PC3200 184-Pin DIMM desktop RAM kit, consisting of two 512MB modules. These modules have a form factor of DIMM, with a total capacity of 1GB. They have a bus speed of PC3200 (DDR-400) and are designed for desktop computers. The model is unbranded DDR-400, and each module has a height of 1.2 inches, length of 5.25 inches, and width of 0.1 inches. This RAM kit is a reliable option for upgrading or replacing existing memory modules in desktop computers.