The Crucial Retail CT51264BF160BJ.C8FER is a DDR3 SO-DIMM memory module designed to provide your laptop with an instant boost in performance and multitasking capabilities. With a 4GB capacity, this module operates at DDR3-1600 speed, delivering high-speed data processing that is ideal for both general computing and demanding applications. The module's 512Mx64 configuration indicates a robust design that can handle large files and run demanding programs without slowdown. Despite its powerful performance, it maintains compatibility with laptops that have a 204-pin slot for DDR3 memory, making it a versatile upgrade option. The CT51264BF160BJ.C8FER is part of Crucial's commitment to high-quality, reliable memory solutions, ensuring your device operates at its best. Whether you are upgrading an older laptop or looking to enhance a newer system's capabilities, this memory module is engineered to improve system responsiveness and speed, providing a noticeable improvement in user experience.