The product is a used Micron 2 GB DDR2 PC2-6400 DDR2 memory module. This DIMM module has a total capacity of 2 GB and a bus speed of PC2-6400 (DDR2-800). It features ECC memory and is designed for high performance in computing systems. Manufactured in the United States, this DDR2 SDRAM module is reliable and efficient for enhancing the speed and efficiency of your computer's memory capacity.