The Transcend 2GB DDR2 SDRAM PC2-6400 (DDR2-800) Non-ECC 240-Pin DIMM JM800QLU-2G is a reliable and high-quality memory module designed for computers. With a total capacity of 2GB and a bus speed of PC2-6400 (DDR2-800), this DDR2 SDRAM DIMM offers fast and efficient performance for various computing tasks. The module is manufactured by Transcend, a trusted brand known for producing durable and long-lasting memory products. With a lifetime warranty, users can enjoy peace of mind knowing they have a reliable component in their computer system.