The Promos Technologies V826616J24SATG-D3 256MB DDR Memory Module, Pack of 2 is a high-quality memory upgrade for your system. With a total capacity of 256MB and ECC memory features, this 2-POWER branded module is designed to enhance your computer's performance. The DDR2 SODIMM form factor and 184-pin interface make it compatible with a wide range of systems, while the PC2-4200 bus speed ensures quick and efficient data transfer. Made in Taiwan, this module is a reliable and dependable choice for boosting your system's memory capacity.