The CT51264BF186DJ.8FP is a 4GB DDR3-1866 SODIMM memory module from Crucial, designed to deliver high-speed performance and reliability for laptops and small form factor PCs. Featuring a 512Mx64 configuration, this module provides a seamless and efficient way to enhance your system's speed and multitasking capabilities. It operates at the DDR3-1866 standard, offering faster data transfer rates compared to older DDR3 modules, which translates into improved system responsiveness and handling of memory-intensive applications. With its 204-pin interface, the CT51264BF186DJ.8FP ensures broad compatibility with a wide range of devices that support DDR3 SODIMM memory. This module is part of Crucial's commitment to quality, undergoing rigorous testing to guarantee performance, reliability, and compatibility. Ideal for users looking to upgrade their computing experience, this module offers a cost-effective way to boost system performance, making it especially suited for gaming, multimedia, and professional applications that demand high-speed memory access.