Hewlett Packard Enterprise 726719-B21 is a 16 GB DDR4 RDIMM memory module designed for enterprise server systems, delivering error‑correcting (ECC), registered memory at 1.2 V on a 288‑pin DIMM. It operates at 2133 MHz (PC4-17000 / PC4-2133P) with CL15 timing and is dual‑rank (2Rx4). Compatible with HPE ProLiant Gen9 servers and supported enterprise platforms, it supports data centers, cloud infrastructure, virtualization hosts, and business‑critical applications that require stable, high‑reliability memory. Cross references include Spare Part 774172-001 and Assembly Part 752369-081.
