Hewlett Packard Enterprise 731765-B21 Memory Module

The Hewlett Packard Enterprise 731765-B21 8GB DDR3-1600 Registered Memory Module is an 8GB DDR3 SDRAM RDIMM designed to expand memory in HP ProLiant Gen8 servers, delivering ECC-protected, registered memory for reliability in virtualization, database processing, and other enterprise workloads. This dual‑rank 240‑pin DIMM runs at 1600 MHz (PC3L-12800R) and uses 1.35V low‑voltage, making it compatible with HP ProLiant configurations in both rack and tower servers. With ECC support and registered buffering, it helps improve stability and error detection in data center and business‑critical systems handling multitasking and high workloads. The module is associated with part numbers 731765-B21, 735302-001, and 731656-081, and is intended for use in HP ProLiant Gen8 servers that demand dependable memory performance and straightforward upgrades.