General

Engineer's Note

Designed for enterprise servers, this 32GB DDR4-2933 Registered RDIMM with ECC is ideal for memory-intensive virtualization and in-memory database workloads where data integrity and uptime are critical. Its registered signal type strengthens command/address stability in high-density configurations, while ECC and a single-rank x4 organization help maintain reliable performance and efficient memory access under sustained load.

Technical Specs & Insights

1. Registered DIMM architecture buffers clock and command signals, ensuring stable operation across fully loaded memory channels critical for dense server virtualization.
2. Error-Correcting Code protection detects and corrects single-bit errors, virtually eliminating silent data corruption in transactional databases and financial processing.
3. A dense 32‑gigabyte module increases memory capacity per server node, supporting higher virtual machine consolidation ratios without requiring additional physical hosts.
4. 2933 MT/s data rate supplies the sustained throughput needed to keep modern multi‑core server CPUs fed, accelerating real‑time analytics and large in‑memory caches.
5. Single Rank x4 organization with narrow‑gyration devices strengthens advanced fault‑tolerance features like SDDC, allowing the system to survive an entire DRAM chip failure and maintain continuous operation.

Why These Specs Matter

Data integrity, system uptime, and scalable performance are non-negotiable in the data center, and the M393A4G40AB3-CVF DDR4-2933 RDIMM directly addresses these demands. This 32GB registered module’s ECC engine continuously corrects single-bit memory errors, meaning your hypervisor clusters and in-memory databases like SAP HANA or Redis are shielded from silent data corruption that can crash transactions or corrupt critical business logic. The registered signal architecture buffers command and address lines, so when you populate multiple DIMMs per channel to support dense virtualization hosts, the reduced electrical loading keeps those high-density configurations stable—ensuring hundreds of VMs run without unpredictable memory failures. Its single-rank x4 organization at 2933 MT/s delivers balanced bandwidth and latency, ideal for analytics workloads that stress memory throughput. And because it operates at 1.2V, you reduce thermal load across a fleet of 2U servers, which translates directly into lower cooling costs and a smaller carbon footprint. This is not just a spec upgrade; it is operational resilience and efficiency for your most demanding enterprise applications.

Endurance & Reliability

General Virtualization
For a typical hypervisor host, populate at least six or eight identical 32 GB RDIMMs to achieve balanced capacity across memory channels while leaving room for growth. This configuration supports a high VM density with stable ECC protection and is ideal for 2-socket servers running mixed enterprise workloads.

In-Memory Database
Maximize total RAM by fully populating all available DIMM slots with these registered 32 GB modules, ideally in a uniform configuration across both sockets to maintain NUMA locality. Aim for terabyte-scale capacity with one DIMM per channel to keep latency low, which is critical for large in-memory datasets and fast transaction processing.

High-Performance Computing
Install one DIMM per channel to sustain the rated 2933 MT/s speed while securing sufficient bandwidth for compute-heavy parallel jobs. Typical HPC nodes benefit from 192 GB (6 modules) or 256 GB (8 modules) of balanced memory, keeping capacity per core around 2–4 GB. Identical single-rank x4 RDIMMs ensure predictable performance across all socket memory controllers.

Verified Compatibility

Proven compatible after rigorous testing with Dell PowerEdge R750, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650, Cisco UCS C220 M6.

FAQ