The CT4G3S1067M.C16FKR is a high-quality DDR3 SODIMM memory module designed and manufactured by Crucial Retail, a renowned brand in the computer memory industry. This module features a capacity of 4GB, making it an excellent choice for upgrading laptops or small-form-factor desktops that require enhanced memory for better performance. Operating at a speed of 1066MHz, it ensures that your system can handle multiple applications and tasks simultaneously without any significant slowdown. The module's 512Mx64 configuration denotes its high-density structure, providing reliable and efficient data handling for computing operations. With a 204-pin interface, it offers compatibility with a wide range of laptops and motherboards that support DDR3 1066MHz SODIMM slots. Designed for durability and stability, the CT4G3S1067M.C16FKR module undergoes rigorous testing by Crucial to meet industry standards, making it a reliable upgrade or replacement solution for users looking to enhance their system's performance.