General

Engineer's Note

This Samsung 32GB DDR4-3200 RDIMM is engineered for enterprise servers and workstations, making it ideal for memory-intensive workloads like virtualization, in-memory databases, and mission-critical applications where data integrity is paramount. Its registered signal type and ECC ensure exceptional signal stability and single-bit error correction, while the dual-rank x4 organization improves memory bandwidth through bank interleaving under heavy multi-DIMM configurations.

Technical Specs & Insights

1. ECC error correction ensures end-to-end data integrity for financial databases and mission-critical applications, eliminating undetected bit flips that could compromise transactional accuracy.
2. Registered buffering stabilizes signal integrity across fully populated server boards, enabling seamless scaling to hundreds of gigabytes for enterprise virtualization without performance cliffs.
3. Dual Rank x4 organization maximizes channel utilization, delivering predictable high throughput for in-memory analytics and heavy container orchestration workloads.
4. 3200MHz transfer speed bridges the data pipeline to modern multi-core server CPUs, slashing latency in real-time decision engines and reducing VM stall cycles under consolidation pressure.
5. 32GB per module density packs substantial memory into fewer slots, boosting hypervisor VM density per rack unit and directly lowering per-gigabyte infrastructure cost.

Why These Specs Matter

When you provision a virtualization cluster hosting dozens of mission‑critical VMs or run an in‑memory database like SAP HANA, every memory error translates directly into service downtime or corrupted transactions. The Samsung M393A4K40DB2-CWEQB RDIMM eliminates these risks through its tightly integrated feature set. Its ECC engine continuously corrects single‑bit flips caused by background radiation — the kind of silent data corruption that can crash hypervisors or poison analytics results — guaranteeing your financial reports or customer records remain accurate by the hour. The registered signal architecture buffers command and address lines, so even in fully loaded 24‑slot servers, signal integrity stays perfect: you can scale to 768 GB or more without the boot failures and random reboots that plague unbuffered designs. Dual‑rank x4 organization banks two independent sets of memory arrays, enabling the controller to interleave accesses and sustain higher bandwidth under the heavy random request patterns typical of virtualized environments. That means a dozen VMs hitting the memory simultaneously see smoother response, and your in‑memory database performs real‑time queries with measurably lower latency. Running at a true 3200 MT/s at just 1.2 V, this module delivers the throughput modern servers demand while holding power and cooling costs in check — a direct advantage when your data center floor is packed with racks. In both a VMware‑based virtual desktop infrastructure and a Redis caching layer, these attributes move you from reactive firefighting to proactive reliability, letting you provision resources with confidence instead of crossing your fingers at every memory utilization spike.

Endurance & Reliability

Designed for servers, this 32GB DDR4-3200 ECC Registered DIMM fits the following capacity plans:

General Virtualization
Populate one DIMM per memory channel to maintain full 3200 MT/s speed and balance capacity with bandwidth. A dual-socket host with six modules per CPU yields 192 GB, comfortably supporting 20–30 mixed-load VMs. Scale to 384 GB (twelve modules) when VM density or memory overcommitment grows.

In-Memory Database
Maximize capacity by filling all DIMM slots across every memory channel, keeping the hot dataset entirely in RAM for sub-microsecond latency. Registered ECC safeguards transactional and caching engines against data corruption. A fully loaded multi-socket platform can easily deliver over 1 TB of resilient memory with these 32 GB modules.

High-Performance Computing
For bandwidth-intensive simulations, install a single DIMM per channel to sustain the rated 3200 MT/s. An eight-channel-per-socket node provides 256 GB (eight modules) of balanced high-speed capacity, ideal for finite-element and CFD workloads. If capacity must increase, moving to two DIMMs per channel drops the speed to 2933 MT/s or lower; evaluate performance sensitivity before populating beyond one DIMM per channel.

Verified Compatibility

Rigorously tested, compatible with Dell PowerEdge R750, HPE ProLiant DL380 Gen10 Plus, Lenovo ThinkSystem SR650 V2.

FAQ