Upgrade your system's performance with the OWC 128GB ECC RDIMM DDR5 memory module. Designed as a direct replacement for the Samsung M321RAGA0B20-CWK, this high-capacity RAM features a speed of 4800 MT/s and operates at a low voltage of 1.1V. With its 4Rx4 configuration and 288-pin design, it ensures seamless compatibility and reliability for demanding applications. The sleek black chips not only enhance aesthetics but also contribute to efficient heat dissipation. Perfect for servers and workstations, this memory module is built to handle intensive workloads with ease.