The Samsung M395T5160DZ4-CE66 module is a part of the DDR2 Fully Buffered DIMM category, designed to meet the advanced needs of demanding computing environments. This 4GB FBDIMM operates at a speed of DDR2-667 and features a 512Mx72 configuration with a 2Rx4 setup, utilizing 256Mx4 dies across 36 chips. Specifically engineered for systems that support 240-pin DDR2 technology, its fully buffered design is tailored for enhanced performance stability and electrical integrity, making it perfect for high-density servers and workstations. The M395T5160DZ4-CE66 excels in scenarios where reliable, high-speed memory is crucial, like virtualization, high-transactional databases, and complex calculations. Backed by Samsung's reputation for quality, it offers an excellent solution for upgrading system memory to handle more demanding applications and enhance overall system responsiveness.