The Ramaxel 1GB 2RX8 Memory module is designed for desktop computers and offers a total capacity of 1GB with each module containing 1GB of memory chips from Elpida. The module is unbuffered, non-ECC, and has a standard profile. With a bus speed of PC2-5300 (DDR2-667), this DDR2 SDRAM module has 240 pins and is ideal for upgrading or replacing memory modules in your computer. The product is manufactured by Ramaxel and follows the specification of 1Rx8 PC2-5300U.