The Cisco UCS-ML-X64G4RS-H is a high-capacity 64GB DDR4-2666MHz Load Reduced Dual Inline Memory Module (LRDIMM) designed for Cisco UCS C-Series rack servers and B-Series blade servers. Operating at PC4-21300 speed with a quad-rank x4 configuration and 1.2V power, this registered ECC memory module delivers enhanced data integrity and reliability for demanding enterprise workloads. It supports high-density configurations in platforms such as the UCS C220 M5 and B200 M5, providing superior bandwidth and power efficiency compared to standard RDIMMs. Ideal for virtualization, database management, and cloud infrastructure environments requiring substantial memory capacity and stability. Learn More