The 4X77A08636 is a high-capacity DDR4 3200 Module crafted by Lenovo, designed to enhance the performance and reliability of enterprise-grade servers and workstations. It features a substantial 128GB of memory, configured in a 4Rx4 setup, utilizing ECC (Error-Correcting Code) Reg/RDIMM (Registered DIMM) architecture to ensure data integrity and stability in critical applications. Operating at a speed of DDR4-3200AA with a voltage of 1.2V, this module is tailored for systems requiring massive memory bandwidth and capacity with the added benefits of error correction capabilities. Its 288-pin connector interfaces seamlessly with compatible motherboards, making it an ideal solution for expanding your system's memory in demanding computing environments such as data centers, computational research, and high-frequency trading platforms.