The M386A8K40CM2-CTD6Q by Samsung is a premium DDR4 memory module designed for next-level performance in servers and high-end computing systems. This 288-pin LRDIMM (Load-Reduced DIMM) boasts an impressive 64GB capacity, facilitated by an 8Gx72 configuration with a 4DRx4 layout (quad rank, x4 organization). Operating at a speed of 2666 MHz (PC4-21300), it delivers exceptional bandwidth and speed, catering to the requirements of memory-intensive applications and multitasking environments. The LRDIMM technology enables high-density memory configurations while minimizing the electrical load on the server's memory bus, making it easier to scale up memory without compromising performance. The module's DDP (dual die package) 4Gx4 36C chips further enhance its reliability and efficiency, making it a top choice for data center upgrades requiring large memory footprints and high performance. Samsung's commitment to quality and innovation is reflected in this product, offering a solution that combines capacity, speed, and stability.