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| Product Type | Memory Module |
|---|---|
| Compliance Standards | RoHS |
| Memory Capacity | 8 GB |
| Memory Technology | DDR4 |
| Product Voltage | 1.2V |
| RAM Speed | 2133MHz |
| RAM Standard | DDR4-2133/PC4-17000 |
| Error Identifying | ECC |
| Signal Type | Registered |
| Column Access Strobe (CAS) | CL15 |
| Rank | Dual Rank x8 |
| Quantity of Pins | 288-pin |
| RAM Genre | RDIMM |
Designed with registered ECC and a dual-rank x8 configuration, this 8GB DDR4-2133 RDIMM delivers robust data integrity and improved signal stability for enterprise-class server platforms. It is ideally suited for memory-intensive workloads such as virtualization and in-memory databases, where the combination of error correction and dual-rank interleaving maximizes throughput and transactional reliability.
1. ECC memory protection silently corrects single-bit data errors, ensuring end-to-end data integrity essential for transactional and analytics databases.
2. Registered DIMM architecture buffers control signals, allowing greater per-channel module density and rock-solid signal integrity in multi-socket servers.
3. Dual rank design maximizes bandwidth utilization by interleaving access across internal banks, directly improving performance for concurrent virtual machine workloads.
4. Base DDR4 frequency delivers dependable memory throughput that matches the steady-state I/O requirements of enterprise storage and web servers.
5. Ultra-low voltage operation reduces thermal dissipation and power consumption, lowering energy bills in large-scale data center deployments.
Designed for enterprise-class servers, the Micron MTA18ASF1G72PDZ-2G1A1HJ is an 8GB DDR4-2133 RDIMM that directly addresses the most critical pain points in data center environments. Its registered signal type buffers command and address lines, dramatically reducing electrical load on the memory controller. For a virtualization cluster hosting dozens of VMs, that translates into rock-solid signal integrity when populating all 24 DIMM slots per server—no unexpected crashes as you scale density, and consistent performance under heavy consolidation.
The ECC technology continuously detects and corrects single-bit errors that naturally occur due to background radiation, preventing silent data corruption. In an in-memory database like Redis or SAP HANA, a single flipped bit could cascade into an incorrect financial transaction or a corrupted analytics report; ECC acts as a constant safety net, ensuring every dataset remains trustworthy without taking the node offline.
Meanwhile, the dual-rank x8 organization enables parallel access across internal banks, boosting effective bandwidth for mixed read/write workloads. That is the difference between a database query completing in microseconds versus milliseconds under concurrent user loads. At just 1.2V, the module cuts power consumption by roughly 20% compared to earlier generations, which compounds across a rack of servers: lower electricity bills, reduced thermal stress on components, and a longer overall lifespan for the memory itself. Together, these features deliver the reliability, density, and efficiency that mission-critical server infrastructure demands.
This server memory module (8 GB DDR4-2133 ECC Registered RDIMM) suits capacity planning for various workloads. Recommendations per scenario follow.
General Virtualization
Populate all memory channels equally with one 8 GB RDIMM each, delivering 96 GB on a typical 12-slot dual-socket server — ideal for mixed VM workloads. For heavier consolidation, fill both slots per channel (24 modules) to reach 192 GB, accepting a mild speed reduction to 1866 MT/s.
In-Memory Database
Maximize capacity by installing two 8 GB RDIMMs per channel (24 modules, 192 GB) to keep entire databases in RAM. The slight frequency down-binning is outweighed by the dramatic latency improvement over disk. Distribute modules evenly across both NUMA nodes for balanced access.
High-Performance Computing (HPC)
For bandwidth-critical simulations, deploy exactly one 8 GB RDIMM per channel (12 modules, 96 GB) to sustain the full 2133 MT/s speed. The dual-rank x8 design already provides strong bank parallelism; leaving the second channel slot empty avoids clock throttling and preserves peak floating-point throughput.
Rigorously tested for servers; compatible with Dell PowerEdge R740, HPE DL380 Gen10, Lenovo SR650, and more.
Q: Can I mix this MTA18ASF1G72PDZ-2G1A1HJ with other memory modules of different brands or speeds?
A: Mixing memory is not recommended, especially in server environments. Different brands, speeds, or ranks can cause instability, limited speed, and compatibility issues. For production servers, use identical modules to ensure full reliability and validated performance.
Q: Is this memory compatible with my server platform (Intel or AMD)?
A: This is a standard DDR4-2133 ECC Registered DIMM. It is validated for Intel Xeon E5-2600 v3/v4 and select AMD EPYC platforms with equivalent DDR4 speeds. Please confirm your server's qualified vendor list (QVL) includes 8GB 2Rx8 RDIMMs.
Q: What is the recommended DIMM population order for optimal performance?
A: For optimal performance, populate identical RDIMMs per memory channel. Follow your server board's manual: typically fill all blue slots first for balanced interleaving. Populate evenly across CPU memory controllers to avoid performance penalties from unbalanced configurations.
Q: Does this module support overclocking or XMP profiles?
A: No, this is an enterprise-grade ECC Registered DIMM running at JEDEC standard DDR4-2133. It does not support overclocking or XMP profiles. Server memory prioritizes data integrity and stability over frequency manipulation, so voltages and timings are fixed.
Q: What warranty and typical failure rate can I expect?
A: This module carries a 1-year warranty. As an OEM-grade RDIMM built with high-quality components, its annualized failure rate (AFR) is typically well below 0.5% under normal operating conditions, providing reliable 24/7 data center operation.