General

Engineer's Note

Optimized for enterprise servers and virtualization platforms, this 32GB DDR4-3200 RDIMM delivers exceptional reliability in memory-intensive workloads such as in-memory databases and multi-tenant cloud environments. Its registered signal architecture with ECC ensures data integrity under sustained high-load operation, while the dual-rank x4 configuration enhances bank-level parallelism for improved throughput on high-core-count processors.

Technical Specs & Insights

1. ECC protection detects and corrects single-bit errors in real time, safeguarding transactional databases and financial computations against silent data corruption that could otherwise cascade into costly outages.

2. Registered signal buffering stabilizes command and address lines at high capacities, enabling dense server configurations to scale beyond 32GB per channel without compromising signal integrity under full population.

3. The 32GB module capacity allows hypervisors to allocate more virtual machines per physical host, directly maximizing consolidation ratios and reducing the total cost of ownership in virtualized data centers.

4. A 3200MT/s transfer rate elevates memory bandwidth per socket, accelerating in-memory analytics, HPC workloads, and large-scale caching where feeding multiple cores without starvation is essential.

5. Dual Rank x4 organization leverages interleaving within a single module to increase bank-level parallelism, delivering higher sustained throughput for latency-sensitive enterprise applications under heavy concurrent access.

Why These Specs Matter

When you deploy this Samsung M393A4K40DB2-CWEBQ 32GB DDR4-3200 RDIMM, you are not simply adding memory—you are fortifying the foundation of your server infrastructure. Engineered for enterprise workloads, this module turns four critical design choices into real‑world resilience. Its integrated ECC silently corrects single‑bit errors before they can corrupt a financial transaction or a patient record, which is non‑negotiable when an undetected bit flip in an in‑memory database like SAP HANA could cascade into costly data integrity failures. The registered buffer stabilizes signal distribution across densely populated motherboards, so a virtualization cluster running dozens of VMs on a single node avoids the intermittent crashes that plague unbuffered DIMMs under heavy simultaneous access. With a dual‑rank x4 organization, the module interleaves memory banks to pump more data per clock cycle, slashing latency spikes during the peak hour of an OLTP system or while live‑migrating containers. Meanwhile, the strict 1.2 V operation and CL22 latency keep power envelopes lean inside a rack packed with 24 DIMMs per server, directly lowering cooling costs and extending component lifespan. In short, this RDIMM transforms raw specifications into uptime, consistency, and total cost of ownership that IT managers can measure in avoided outages.

Endurance & Reliability

RDIMM Server Memory Capacity Planning (DDR4-3200 ECC 32GB)
This registered DIMM with ECC targets server platforms. Dense 32GB capacity per module suits memory-intensive workloads while stabilising multi-DIMM configurations.

General Virtualization
Populate all memory channels evenly to maximise bandwidth. A dual-socket host with 8 modules (256GB total, 4 per CPU) comfortably runs 30–50 general-purpose VMs. Scale to 16 modules (512GB) to accommodate heavier consolidation ratios without swapping.

In-Memory Database
Latency-sensitive datasets demand large capacity and full channel utilisation. Deploy 12–16 modules (384–512GB) per dual-socket node, leveraging the 2-rank x4 design for balanced load and high throughput. Keep spare DIMM slots for growth if data volumes surge.

High-Performance Computing
Match memory to core count — target 4–8GB per core. For a dual-socket compute node with 64 cores, install 8 modules (256GB) across all 8 channels, delivering 3200MT/s speed uniformly. This configuration sustains memory-bound simulation and modelling throughput without bottlenecks.

Verified Compatibility

Strictly tested server memory, compatible with Dell PowerEdge R750, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650.

FAQ