The CISCO UCS-MR-1X648RU-A represents a 64GB DDR4 memory module, operating at a speed of 2133 MHz with a PC4-17000 rating, designed for use in Cisco Unified Computing System (UCS) servers. This RDIMM (Registered DIMM) features an octal rank with through-silicon vias (TSV), a technology that improves electrical performance and reduces power consumption. This high-capacity memory module is optimized for enterprise-level applications, supporting demanding workloads and ensuring smooth operation with its high-speed data transfer rates and increased bandwidth. The 64GB capacity significantly boosts system performance, making it ideal for virtualization, cloud computing, and other memory-intensive applications. Designed to enhance server efficiency and reliability, this memory module is an excellent choice for businesses looking to upgrade their Cisco UCS server infrastructure to meet the requirements of data-driven, high-availability environments.