The HPE 728629-B21 is a 32GB DDR4-2133MHz Dual Rank x4 Registered SmartMemory module designed for high-performance and mission-critical HPE ProLiant Gen9 servers, Apollo systems, and Blade infrastructures. Certified as SmartMemory, it undergoes rigorous testing to ensure compatibility and reliability under enterprise workloads. Operating at 1.2V with CAS latency 15, it delivers high throughput with lower energy consumption. Fault prediction capabilities via HPE OneView allow proactive maintenance and improved system uptime.