General

Engineer's Note

This 16GB DDR4-3200 RDIMM is engineered for server platforms, delivering reliable performance for virtualization, in-memory databases, and data-critical enterprise workloads where ECC error correction and registered signal integrity are paramount. Its dual-rank x8 organization with CL22 latency optimizes memory bandwidth and capacity balance, ensuring stable operation under sustained heavy loads typical in multi-socket server configurations.

Technical Specs & Insights

1. The 16GB capacity per module allows dense memory configurations essential for hosting numerous virtual machines simultaneously, preventing costly performance degradation from disk swapping.
2. Operating at 3200MT/s, this memory delivers the elevated bandwidth required for real-time database analytics and large in-memory datasets, cutting query latency in transactional workloads.
3. Integrated ECC actively corrects single-bit errors, safeguarding data integrity and significantly lowering the risk of silent corruption that can crash critical enterprise applications.
4. Registered signal buffering stabilizes high-capacity memory buses, enabling the deployment of massive amounts of RAM across many modules without compromising system reliability crucial for scale-out servers.
5. Dual Rank x8 organization interleaves memory accesses internally, maximizing channel utilization and ensuring consistent throughput under the pressure of heavily consolidated virtualized environments.

Why These Specs Matter

When you deploy this Samsung M393A2K43DB3-CWEBQ in your data center, you are not just installing a stick of RAM—you are embedding four layers of resilience that directly determine uptime, data fidelity, and workload density. This is a DDR4-3200 Registered ECC RDIMM, engineered for servers where failure is not an option.

The Error-Correcting Code engine silently remedies single-bit flips caused by cosmic radiation or electrical noise, a non-negotiable shield for memory-intensive database instances like SAP HANA, where a single corrupted row can cascade into financial misreporting. The Registered logic buffers command and address signals, allowing you to populate all 24 DIMM slots per server without signal degradation. In virtualized clusters running 60-plus VMs on a single node, that means stable, full-capacity configurations instead of crashing hosts under heavy inter-VM chatter. Its Dual Rank x8 organization leverages bank interleaving so the memory controller can read from one rank while refreshing the other, effectively hiding precharge latency. For real-time analytics platforms such as VMware‑backed Redis clusters, this translates to lower tail latency under concurrent query storms. Finally, the JEDEC 3200 MT/s speed and CL22 timing deliver 25.6 GB/s of sustained bandwidth per module, ensuring that your hypervisor and hungry guest operating systems never stall waiting for pages. This memory turns hardware reliability into business continuity.

Endurance & Reliability

General Virtualization
For dense virtualized environments, deploy six or eight identical 16GB RDIMMs per host to populate balanced memory channels, achieving 96GB to 128GB total. This registered ECC memory safeguards VM integrity, while dual‑rank x8 modules maximize bandwidth for mixed workloads without oversubscribing.

In‑Memory Database
Maximize capacity and parallelism by fully loading all available DIMM slots with these 16GB dual‑rank RDIMMs, potentially reaching 512GB or more in two‑socket systems. The combination of ECC error correction and low CL22 latency ensures data consistency and rapid access for Redis, Memcached, or SAP HANA workloads, where memory speed directly governs transaction throughput.

High‑Performance Computing
Populate one DIMM per channel across all memory controllers to achieve a balanced eight‑module 128GB configuration, minimizing memory access latency. Registered dual‑rank modules at DDR4‑3200 provide the throughput required for MPI‑based simulations and computational fluid dynamics, and the 1.2V efficiency helps manage thermal loads in dense clusters.

Verified Compatibility

Proven compatible after rigorous testing: Dell PowerEdge R750, HPE ProLiant DL380 Gen10 Plus, Lenovo ThinkSystem SR650 V2.

FAQ