The Samsung M321R8GA0PB0-CWM is a 64 GB DDR5-5600 MHz ECC Registered DIMM (RDIMM) designed for enterprise-class servers and high-performance computing environments. Built with Error-Correcting Code (ECC) and a registered buffer, this memory module enhances system stability and data integrity under heavy workloads such as virtualization, databases, cloud computing, and mission-critical applications.