The CT51264AA667 is a DDR2 667 module from Crucial, a brand synonymous with high-quality memory solutions. This module is designed with a 240-pin interface, making it suitable for desktop computers that utilize DDR2 PC2-5300 memory. Boasting a configuration of DDR2-667 256Mx64, it provides a significant performance boost for systems in need of speed and increased capability for handling multiple applications simultaneously. Crucial's commitment to quality means this memory module is manufactured with premium components and undergoes extensive testing to ensure optimal compatibility, stability, and reliability. The CT51264AA667 is an excellent choice for users seeking to upgrade their memory to support more demanding software applications and to enhance the overall performance of their desktop systems.