Hewlett Packard Enterprise 726718-B21 Memory Kit

The HPE 726718-B21 8GB DDR4 Registered DIMM (RDIMM) memory kit expands memory capacity and boosts performance in enterprise servers. It provides 8GB of DDR4-2133 (PC4-2133P-R) memory in a 2Rx4, 288-pin RDIMM module, operating at 1.2V with ECC protection for data integrity. Compatible with select HPE ProLiant Gen9 servers, this kit is designed for virtualization workloads, database servers, and other business-critical systems that require reliable, stable memory performance. Part numbers include MPN 726718-B21, Spare 774170-001, and Assembly 752368-081, from Hewlett Packard Enterprise. Maintenance teams and system integrators commonly use it for memory upgrades and to maintain consistent server performance. Common replacements in HPE’s lineup include 726719-B21 16GB and 726722-B21 32GB DDR4 RDIMM kits.