The Hewlett Packard Enterprise 647901-B21 delivers 16GB of DDR3-10600R registered RDIMM memory for enterprise servers, providing ECC-protected RAM for stable, error-checked performance under heavy workloads. This module uses a DRx4 4-rank configuration, operates at 1333 MT/s, and is a low-voltage PC3L DDR3 server DIMM. Alternate part numbers are 664692-001 and 647653-081, with primary model 647901-B21. Compatible with HPE ProLiant and other enterprise servers, it is commonly used in virtualization, database processing, and mission-critical applications in data centers and enterprise compute environments.
