HPE 726720-S21 16GB DDR4 Switch Module

16GB DDR4 Server Memory

This HPE 726720-S21 module delivers 16GB of DDR4 capacity for HP ProLiant Gen9 servers. It uses HP SmartMemory technology to authenticate with the platform and unlock extended performance features. The module targets data centres running virtualization, large databases or high-performance computing workloads. It is sold in refurbished condition.

Upgrading ProLiant Gen9 Capacity

The part replaces lower-density DDR4 modules in Gen9 systems where additional memory headroom is required. The jump is worth it when current capacity limits virtual machine density or database buffer pools. SmartMemory authentication ensures the server recognises the module as qualified hardware. Buyers needing registered ECC functions not covered by this specification should verify compatibility before purchase.

Build Integration Requirements

The module installs directly into DDR4 DIMM slots on supported ProLiant Gen9 motherboards. No additional cabling, power connectors or cooling hardware are required beyond standard server airflow. Population rules follow the platform memory guide for channel balancing and rank limits. The module frees DIMM slots for future expansion when populated according to the server’s optimal configuration.