General

Engineer's Note

This 64 GB DDR4-2933 Registered ECC RDIMM is engineered for enterprise servers and workstations running memory-intensive workloads such as virtualization, in-memory databases, and large-scale data analytics where data integrity is paramount. Its Quad Rank x4 configuration maximizes capacity per channel while the Registered signal type and ECC ensure reliable signal integrity and real-time error correction under sustained heavy loads.

Technical Specs & Insights

1. High-capacity module design empowers dense server consolidation, allowing virtualization platforms to host significantly more tenants and services on the same physical node.
2. Elevated data rate ensures sustained memory bandwidth for transactional databases and real-time analytics, preventing throughput bottlenecks under heavy concurrent access.
3. Hardware error correction continuously detects and repairs single-bit faults, preserving data integrity in financial processing and other mission-critical workloads where silent corruption is unacceptable.
4. Registered interface buffers command and address lines, maintaining clean signal delivery as server memory populations scale across many DIMM slots, essential for large-memory configurations.
5. Quad Rank x4 organization interleaves deeply across memory banks, keeping channels fully utilized to deliver predictable, high-throughput performance for memory-intensive virtualized and containerized environments.

Why These Specs Matter

When managing a dense virtualization cluster or running an in-memory database, the true cost of memory isn’t just capacity—it’s unplanned downtime and data corruption. The HMAA8GR7AJR4N-WMTGAC is a 64GB DDR4-2933 Registered ECC RDIMM engineered precisely to eliminate those risks in server environments. Its ECC protection continuously corrects single-bit errors, silently guarding against bit-flips caused by cosmic radiation or electrical noise, which can quietly corrupt transactional data or cause virtual machines to crash. In a cluster hosting dozens of VMs, that integrity keeps business-critical workloads running without unexplained failures.

The registered signal buffer is equally vital: it stabilizes command signals across high-density memory channels, enabling multiple quad-rank x4 modules to coexist flawlessly on a single node. When your in-memory analytics engine demands extreme capacity and consistent bandwidth—processing real-time financial transactions or large Redis clusters—the quad-rank architecture delivers dense throughput while the registered buffer prevents signal degradation. Together, they mean you can scale memory to terabytes with uncompromised reliability, turning your server into a trusted platform for virtualization, OLAP, and memory-hungry enterprise workloads.

Endurance & Reliability

Memory Type: Server Memory (DDR4-2933 ECC Registered RDIMM)

General Virtualization
Deploy these 64GB RDIMMs to maximize VM density per host. A dual-socket server with 16 DIMM slots can reach 1TB total, allowing dozens of virtual machines to reside entirely in fast memory without swapping. Populate balanced memory channels (e.g., 4 or 8 identical modules) to preserve interleaving benefits and consistent latency.

In-Memory Database
In-memory platforms like Redis or SAP HANA thrive on large, error-corrected capacity. Install multiple 64GB sticks in a mirrored or sparing configuration to safeguard against uncorrectable errors while maintaining high availability. Quad-rank design here delivers deep capacity, but limit population to two DIMMs per channel to avoid dropping to a lower memory speed.

High Performance Computing
For HPC clusters, use a symmetric multi-module layout (e.g., 8 x 64GB for 512GB per node) to sustain bandwidth under parallel I/O workloads. ECC and registered buffering ensure signal integrity across densely packed nodes during week-long computational runs. Match modules across all CPU memory controllers to prevent NUMA penalties.

Verified Compatibility

Rigorously tested 64GB DDR4-2933 RDIMM, compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650.

FAQ