The Crucial 4GB 2x2GB ct25672af667.m18fg0d6 DDR2 Server Memory is a high-quality memory module designed for server use. With a total capacity of 4 GB spread across 2 modules, each with a capacity of 2 GB, this memory is ideal for boosting server performance. The 240 pins ensure compatibility with a wide range of servers, and the PC2-5300 (DDR2-667) bus speed ensures reliable operation. Made in the United States by Crucial, a trusted brand in the industry, this memory module is a reliable and efficient upgrade for any server system.