The CT51264BF160B.C16FPD2 from Crucial Retail is a DDR3 SO-DIMM memory module that combines performance, efficiency, and compatibility, designed for laptop users in need of an upgrade or replacement. This 4GB module, with its 1600MHz speed, promises an immediate boost in performance, facilitating smoother multitasking and quicker application responses. Its configuration of 512Mx64 showcases a design optimized for achieving high-capacity memory in compact form factors, typical of laptops and small form factor PCs. Additionally, it features 204 pins, ensuring broad compatibility with a vast array of systems designed to accept DDR3 1600MHz SODIMMs. The suffix '.C16FPD2' may denote specific production details or enhancements that refine the module's performance or compatibility. Crucial's commitment to quality means users can expect a reliable, durable memory upgrade that can significantly enhance the overall computing experience, making the CT51264BF160B.C16FPD2 a smart choice for those seeking to extend the longevity and capability of their laptops.