A high-capacity 64GB DDR4 load-reduced memory module with quad-rank x4 organization operating at enhanced 2666 MHz for Lenovo systems. Features ultra-high memory density through advanced load-reduced buffering technology with improved DDR4 performance optimized for Lenovo servers. Provides maximum single-module memory capacity for applications requiring massive memory configurations with enhanced speed. Designed for Lenovo servers requiring extreme memory density with high-performance DDR4 technology and advanced buffering.