The Samsung 256MB RAM 400MHz DDR2 memory module is a high-quality memory upgrade for your computer. With a total capacity of 512MB split into two 256MB modules, this DIMM module is designed for optimal performance. Featuring a bus speed of PC2-3200 (DDR2-400), this DDR2 SDRAM memory ensures smooth and efficient multitasking capabilities. The Samsung brand ensures reliability and compatibility with a variety of systems, making it a dependable choice for enhancing your computer's speed and performance.