The CT51272AF667 is a DDR2 module from Crucial, one of the most trusted names in memory and storage solutions. This module is a Fully Buffered DIMM (FBDIMM) providing a substantive 4GB of memory and is configured as 512Mx72, making it well-suited for performance-demanding servers and workstations. With an operating speed of DDR2-667, it delivers quick and efficient data transfer rates, essential for reducing bottlenecks and improving overall system functionality. The 240-pin interface of the module ensures easy installation and a robust connection to the motherboard, enhancing the reliability and stability of your system. As a FBDIMM, it offers advantages in terms of increased data integrity and signal strength, crucial for environments where data accuracy and reliability are paramount. Crucial's commitment to high quality and compatibility makes the CT51272AF667 an ideal choice for IT professionals looking to upgrade their systems with minimal fuss and maximum performance impact.