General

Engineer's Note

This Samsung DDR4-3200 Registered ECC DIMM is purpose-built for server platforms handling virtualization, in-memory databases, and mission-critical workloads that demand uncompromising data integrity. Its Registered signal architecture elevates signal stability across fully populated multi-DIMM channels, while ECC protection and the single-rank x8 configuration reduce memory access latency and maintain efficient command bus loading for consistent 3200 MT/s throughput.

Technical Specs & Insights

1. Registered signal buffering enables reliable population of all memory channels in dense server deployments, ensuring stable operation when scaling up for enterprise virtualization.
2. ECC protection seamlessly corrects single-bit errors, safeguarding transactional databases and in-memory analytics against silent data corruption.
3. DDR4-3200 speed delivers the sustained memory throughput required to keep modern multi-core server CPUs fed during heavy parallel processing.
4. Single Rank x8 organization reduces electrical loading on the memory bus, preserving signal integrity and allowing consistent low-latency access at rated speed.
5. 1.2V low voltage operation curbs overall server power draw and thermal stress, directly contributing to better energy efficiency across rack-scale deployments.

Why These Specs Matter

In mission-critical server environments, the Samsung M393A1K43DB2-CWEBQ RDIMM transforms specifications into tangible reliability where it matters most. Its ECC technology actively corrects single-bit memory errors, preventing silent data corruption in a virtualized cluster running dozens of VMs—meaning your hypervisor stays stable and transactions remain accurate without unexplained crashes. The registered signal buffering decouples the memory controller from the electrical load, allowing a fully populated 24-DIMM server to sustain 3200 MT/s under heavy database workloads without the signal integrity collapse that plagues unbuffered modules. Operating at an ultra-efficient 1.2 V, this single-rank x8 module draws less power and generates minimal heat in dense rack deployments, directly reducing cooling overhead and long-term energy costs in a 24/7 data center. Pair that with DDR4-3200 bandwidth delivering up to 25.6 GB/s per channel, and an in-memory analytics platform like SAP HANA experiences noticeably faster query throughput on large datasets. You gain a server memory foundation where data integrity, massive capacity stability, power efficiency, and real application performance converge—no compromises.

Endurance & Reliability

General Virtualization
For a virtualization host, populate at least four 8 GB RDIMMs (32 GB total) evenly across all memory channels to balance capacity and bandwidth. Deploy modules in identical matched sets per CPU socket—typically six or eight DIMMs in a dual-socket server—to guarantee consistent performance under mixed VM workloads.

In-Memory Database
In-memory databases demand large capacity and reliability. Use eight or more identical 8 GB Registered ECC modules (64 GB minimum) per socket, filling all available channels. Configure banks in symmetric, validated pairs to leverage ECC error correction and maintain low CAS latency (CL22), ensuring data integrity under heavy transactional loads.

High-Performance Computing (HPC)
Maximize memory bandwidth by installing one DIMM per channel in each populated memory riser—often six or eight 8 GB RDIMMs per node. This fully populates channel count while avoiding rank contention, keeping the single-rank x8 modules at 3200 MT/s. Scale capacity by adding identical modules across additional channels rather than using larger DIMMs, preserving peak throughput for tightly coupled parallel jobs.

Verified Compatibility

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

FAQ