ADATA utilizes leading technology and strict control of each step of memory module production process to bring you unbeatable value in the Premier Pro™ Series DDR3-1333 (CL9). In densities of 2GB/4GB, these modules are positioned to provide users with highest-quality memory at a competitive price. Installing more memory to enhance the performance of your computer is still one of the most cost-effective approaches. With adequate memory, operating systems and applications will be able to show higher performance, allowing you to simultaneously perform more work. In business or at leisure, the Premier Pro series gives full play to your system's potential.