General

Engineer's Note

Targeted at entry-level server and virtualization workloads where data integrity is paramount, this Samsung M393A5143DB0-CRC4Q DDR4-2400 Registered DIMM employs ECC and a registered signal path to suppress signal noise in multi-DIMM configurations, ensuring stable operation for memory-intensive applications such as light database caching or virtualized infrastructure.
Its single-rank x8 organization paired with CL17 latency delivers a balanced trade-off between power efficiency and access speed, making it a cost-effective choice for scaling capacity in 1U/2U rack servers that require reliable, low-power 1.2 V operation.

Technical Specs & Insights

1. ECC protection continuously corrects single-bit errors in real time, preserving data integrity for mission-critical databases and preventing undetected corruption in long-running server applications.
2. Registered DIMM architecture buffers control signals, stabilizing the memory bus under heavy load and enabling fully populated server boards with up to three DIMMs per channel.
3. Single-rank x8 design reduces electrical load per module, which improves signal integrity and allows higher memory density configurations in large-scale virtualized environments.
4. 2400 MHz clock speed delivers sufficient bandwidth to handle concurrent VM requests, ensuring steady throughput in moderate-density cloud hosting scenarios.
5. The 1.2V operating voltage lowers power consumption and cooling overhead, directly contributing to better energy efficiency in always-on enterprise data centers.

Why These Specs Matter

When deploying mission-critical virtualization clusters or in-memory databases, the Samsung M393A5143DB0-CRC4Q Registered ECC DDR4 module becomes a linchpin of reliability. Its ECC technology automatically detects and corrects single-bit errors, quietly preventing cosmic-ray-induced data corruption that could crash a hypervisor or silently corrupt financial records. The registered architecture redrives address and control signals, enabling your server to host large memory populations without signal degradation; this means you can confidently scale capacity for dense VM workloads without sacrificing stability. Under the hood, the single-rank x8 organization minimizes electrical loading and helps the memory controller achieve tighter timings, delivering predictable low-latency access for latency-sensitive engines like Redis or SAP HANA. Combined with a 1.2 V operating voltage and 2400 MT/s throughput, the module balances energy efficiency with the consistent bandwidth required to keep thousands of concurrent database queries in flight. For the IT manager, it translates directly into fewer application outages, sustained transaction integrity, and a lower total cost of ownership because every bit is protected from core to edge.

Endurance & Reliability

General Virtualization
For dense VM hosting, Registered ECC DDR4-2400 modules ensure data integrity under sustained load. Populate all available channels (e.g., 8 or 16 DIMMs per 2-socket server) with 4 GB sticks to maximize memory bandwidth while keeping per-slot cost low. Start with 64–128 GB total, balancing guest count and failover capacity.

In-Memory Database
Latency-sensitive workloads like Redis or SAP HANA demand the largest reliable footprint. Use single-rank 4 GB RDIMMs to achieve higher ranks-per-channel without sacrificing speed, aiming for 256 GB or more. Prioritize identical modules across all memory channels to maintain lockstep ECC operation and avoid performance cliffs during large cache flushes.

High-Performance Computing
HPC clusters benefit from uniform, power-efficient configurations. Deploy 4 GB Registered DIMMs in groups of six or eight per node to fully utilize multi-channel architectures at an optimal GB-per-watt ratio. The 1.2 V operating voltage and consistent CL17 timing simplify thermal management, while ECC guards against silent data corruption during week-long simulation runs.

Verified Compatibility

This server memory is rigorously tested and compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650.

FAQ