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| Product Type | Memory Module |
|---|---|
| Memory Capacity | 16 GB |
| Memory Technology | DDR4 |
| Product Voltage | 1.2 V |
| RAM Speed | 2133 MHz |
| RAM Standard | DDR4-2133/PC4-17000 |
| Error Identifying | ECC |
| Signal Type | Registered |
| Column Access Strobe (CAS) | CL15 |
| Rank | Dual Rank x4 |
| Quantity of Pins | 288-pin |
| RAM Genre | RDIMM |
Leveraging registered signal buffering and ECC error correction, this 16GB DDR4-2133 RDIMM delivers exceptional data integrity and stability for mission-critical server workloads such as virtualization, in-memory databases, and enterprise data processing. Its dual-rank x4 organization optimizes memory density and bank interleaving to sustain high throughput at a low CL15 latency, making it ideally suited for scalable multi-socket platforms that demand reliable 24/7 operation.
1. Registered signal buffering stabilizes command and address integrity across fully populated server boards, delivering the rock‑solid uptime essential for multi‑tenant database hosting.
2. Hardware error correction continuously scrubs single‑bit flips, safeguarding virtualized financial ledgers and analytics against silent data corruption throughout non‑stop operation.
3. Dual‑rank interleaving with narrow‑die organization sustains peak channel utilization, ensuring consistent VM responsiveness when hyper‑converged infrastructure is under maximum contention.
4. The low‑voltage DDR4 power envelope slashes energy consumption per DIMM, lowering cooling overhead in dense rack deployments while preserving clock‑stable performance.
5. Generous module density allows a single server to host extensive in‑memory caches and sprawling desktop pools, maximizing consolidation ratios without sacrificing future expansion headroom.
The Samsung M393A2G40EB1-CPB4Q is a registered DDR4-2133 RDIMM engineered specifically for server environments, where downtime is measured in lost revenue. Its four defining characteristics translate directly into operational resilience and performance for the workloads you depend on.
First, built-in ECC is your silent guardian against silent data corruption. In a dense virtualization cluster hosting dozens of VMs, a single bit flip caused by cosmic radiation can crash a critical application overnight. ECC detects and corrects these errors in real time, turning a potential 3 A.M. emergency call into a non-event. Second, the registered signal buffer is non-negotiable for densely populated server boards. As you scale up with two or four sockets, unbuffered signals degrade; the onboard register re-drives commands cleanly, ensuring all 16GB of dual-rank capacity remain stable even when every slot is filled, preventing memory-related boot failures during a capacity expansion. Third, the dual-rank x4 organization becomes a throughput multiplier in memory-hungry workloads. Running an in-memory database like Redis or SAP HANA, dual rank interleaves access across internal banks, dramatically raising hit rates and reducing contention compared to single-rank modules—meaning your real-time analytics dashboards refresh faster under peak query loads. Finally, the 1.2V DDR4 spec lowers thermal footprint across your rack, shaving watts from every DIMM in a 24-slot server and cumulatively easing cooling demands without sacrificing the CL15 latency your transaction-heavy applications require. When your infrastructure runs on this module, consistency, accuracy, and efficiency aren't hopes—they're guarantees.
General Virtualization
This 16GB DDR4-2133 ECC Registered DIMM is ideal for building reliable virtualization hosts. Deploy six or eight identical modules in a dual-socket server to reach 96GB or 128GB total, ensuring balanced memory across all memory channels for maximum throughput. ECC protection guards against silent data corruption, which is critical when running dozens of virtual machines on a single physical node.
In-Memory Database
For in-memory databases like Redis or SAP HANA, data integrity and low latency are paramount. Populate all memory channels with these dual-rank x4 RDIMMs using a symmetric configuration—such as 16 identical modules across two processors—to deliver high bandwidth and robust error correction. Aim for the highest supported capacity by the platform, as in-memory workloads demand enough headroom to keep the entire dataset resident in RAM for sub-millisecond response times.
High-Performance Computing (HPC)
HPC clusters benefit from the consistent performance and error resilience of registered ECC memory. Install eight or more of these modules per node, filling all channels to maximize memory bandwidth for simulation and modelling codes. The registered signal type helps maintain stability in densely populated systems, allowing large-scale parallel jobs to run for days without memory-related failures.
Rigorously tested server memory, compatible with Dell PowerEdge R750, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650, and similar systems.
Q: Can I mix this M393A2G40EB1-CPB4Q with other memory modules of different brands or speeds?
A: Mixing is not recommended for server environments. Mismatched modules may cause stability issues, performance degradation, or boot failures. Always use identical registered DIMMs for guaranteed reliability.
Q: Is this memory compatible with my system?
A: This DDR4 Registered ECC module works with servers using Intel Xeon E5-2600 v3/v4, Scalable, or AMD EPYC 7000 series platforms. Check your system's qualified vendor list.
Q: What is the recommended DIMM population order for optimal performance?
A: Balance identical DIMMs across memory channels. Populate slots starting from the first slot per channel, as specified in your server's manual, to maximize bandwidth and ensure stability.
Q: Does this module support overclocking or XMP profiles?
A: No. As a JEDEC-compliant registered server DIMM, it operates strictly at DDR4-2133 and does not support overclocking or XMP profiles, ensuring 24/7 mission-critical stability.
Q: What warranty and typical failure rate can I expect?
A: This module comes with a one-year warranty. It undergoes rigorous testing for enterprise use, delivering an extremely low failure rate and dependable operation in demanding environments.