HPE 805358-B21 is a HPE 1x64GB Quad Rank X4 DDR4-2400 CAS-17-17-17 Load-Reduced Kit for Gen9 Servers. HPE Server Memory is designed for SMB and enterprise customers with a significant need for performance and capacity along with a desire to manage total cost of ownership. HPE SmartMemory enables total server memory optimization, runs at top throughput speed and is among the most power-efficient memory available. In addition to performance and efficiency, HPE SmartMemory also delivers on reliability. Only the highest-quality DRAM modules are selected from top suppliers. Now more than ever, DRAM quality is critical, as data center trends such as server virtualization, cloud computing, and the use of large database applications have increased the need for higher-capacity memory with greater up-time. HPE SmartMemory undergoes rigorous qualification and testing processes that unlock memory performance features available only with HPE servers.