General

Engineer's Note

Designed for server platforms, this 64GB DDR4-2933 Registered ECC module ensures data integrity and uptime for mission-critical workloads such as virtualization, in-memory databases, and enterprise resource planning. Its quad-rank x4 configuration maximizes capacity density in 2U and 3U servers while the registered signal type stabilizes multi-DIMM channels, reducing command bus loading at 1.2V for dependable 24/7 operation.

Technical Specs & Insights

1. 64GB capacity per module dramatically increases memory density for virtualized environments, enabling a higher number of virtual machines per physical server and reducing data center footprint without compromising workload isolation.
2. End-to-end ECC protection silently detects and corrects single-bit errors in real time, safeguarding in-memory transactional data and preventing unplanned downtime in around-the-clock enterprise operations.
3. The registered buffer stabilizes command and address signals across heavily populated channels, making it possible to deploy all DIMM slots without signal degradation and ensuring consistent boot-to-runtime reliability in large-scale servers.
4. Quad Rank x4 organization strengthens advanced chipkill error containment by isolating faults to individual x4 DRAM devices, preserving data integrity even when a whole memory device fails.
5. 2933 MT/s throughput supplies the sustained bandwidth modern multi-socket CPUs demand, accelerating parallel database scans, real-time analytics, and heavy virtualization traffic with minimal latency penalties.

Why These Specs Matter

In dense virtualization clusters, the Samsung M393A8G40MB2-CVFBYM 64GB DDR4-2933 RDIMM directly answers the pain of silent data corruption and unpredictable downtime. Its ECC engine actively corrects single-bit errors, which cosmic radiation or electrical noise can flip in DRAM cells; for a hypervisor hosting dozens of VMs, that is the difference between a routine business day and a corrupted guest that cascades into a failed failover. The registered signal buffer re-drives address and command lines, stabilizing the channel when you populate all 24 DIMM slots per server—eliminating the signal degradation that would otherwise force you to throttle speed or sacrifice capacity, so your VMware or KVM farm runs dense workloads without compromise. Quad Rank x4 organisation packs 64 gigabits into a single rank structure, enabling higher module capacity while keeping the total rank count manageable across channels. In an in-memory database like SAP HANA, this rank-level interleaving accelerates parallel access patterns, dropping latency on real-time analytics queries that demand massive hot datasets to be held entirely in RAM. Together, ECC integrity, registered stability, quad rank density, and a cool 1.2 V operating envelope mean you consolidate more business-critical VMs, slash per-gigabyte power consumption, and serve financial transactions or patient records with the absolute certainty that every bit is exactly as written—no compromises, no surprises.

Endurance & Reliability

General Virtualization
For general virtualization hosts, balance memory capacity and cost by deploying six to eight of these 64GB RDIMMs per server, yielding 384GB to 512GB total. Populate all memory channels symmetrically (e.g., one DIMM per channel in a 2-socket system) to maximize bandwidth while leaving slots free for future scaling. This registered ECC configuration ensures the stability required for dozens of mixed-application VMs.

In-Memory Database
In-memory databases demand both high capacity and low latency. Install a full set of twelve 64GB modules in a dual-socket server for 768GB, enabling large datasets like Redis or SAP HANA to reside entirely in RAM. Configure balanced interleaving across memory controllers to sustain the extreme throughput of analytics workloads, and rely on quad-rank x4 organization for dense, reliable capacity per DIMM.

High-Performance Computing
HPC clusters benefit from maximum memory bandwidth and predictable performance. Populate all DIMM slots per socket with these 2933MT/s RDIMMs—often sixteen modules per node for 1TB total—to match core counts in compute-intensive simulations. Use one DIMM per channel with identical ranks to avoid bandwidth penalties, and leverage ECC protection to safeguard long-running parallel jobs against silent data corruption.

Verified Compatibility

Rigorously tested 64GB DDR4 server memory, compatible with Dell PowerEdge R750, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650, and more.

FAQ