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| Product Type | Memory Module |
|---|---|
| Memory Capacity | 16 GB |
| Memory Technology | DDR4 |
| Product Voltage | 1.2 V |
| RAM Speed | 2666 MHz |
| RAM Standard | DDR4-2666/PC4-21300 |
| Error Identifying | ECC |
| Signal Type | Registered |
| Column Access Strobe (CAS) | CL19 |
| Rank | Dual Rank x8 |
| Quantity of Pins | 288-pin |
| RAM Genre | RDIMM |
This 16GB DDR4-2666 RDIMM with ECC and registered signal buffering is engineered for server platforms, delivering critical data integrity for virtualization, in-memory databases, and enterprise workloads that cannot tolerate silent memory errors. Its dual-rank x8 configuration enhances interleaving efficiency for improved bandwidth utilization, while the CL19 latency and 1.2V operation ensure stable, power-conscious performance in multi-DIMM deployments.
1. ECC protection silently detects and corrects single-bit errors, preserving data integrity for financial transactions and in-memory databases where even a single flipped bit can corrupt results.
2. Registered signal buffering isolates the memory controller from excessive electrical load, enabling denser server configurations and ensuring stable operation across fully populated DIMM slots in large-scale virtualization clusters.
3. Dual Rank x8 organization interleaves memory accesses across two rank-level groups, keeping server-grade memory bandwidth saturation high under concurrent VM and container workloads.
4. 16 GB capacity density fits typical mid-range enterprise deployments, giving a virtualized host enough headroom to pack numerous light-to-medium instances without immediate expansion.
5. DDR4-2666 speed delivers a balanced throughput profile for mainstream servers, sustaining per-channel bandwidth that prevents memory bottlenecks in content delivery and web-tier services.
The Micron MTA18ASF2G72PDZ-2G6E1R is a server-grade DDR4 RDIMM, purpose-built for environments where uptime and data integrity are non-negotiable. Its ECC technology actively corrects single-bit memory errors—silent data corruption that can crash a hypervisor or poison a financial transaction. In a dense virtualization cluster running dozens of VMs per host, each bit flip avoided prevents cascading service interruptions. The Registered buffer isolates electrical loads, enabling you to populate all memory channels with high-capacity DIMMs without signal degradation; this stability is critical when your bare-metal database demands 512 GB of RAM to commit millions of records per second. Operating at 1.2 V, the module inherently generates less heat than previous generations, lowering thermal load in compact 1U rack servers where cooling overhead directly impacts operational cost. The dual-rank x8 organization interleaves memory banks, delivering sustained throughput for in-memory analytics platforms like SAP HANA, where real-time aggregation across massive datasets reveals that every percentage point of bandwidth improvement translates into faster business intelligence. Essentially, this DIMM keeps your mission-critical services accurate, responsive, and continuously available.
General Virtualization
For general virtualization, deploy matched pairs of these 16 GB registered ECC modules to enable symmetric memory channels. Aim for at least 32 GB (2 DIMMs) for light VM hosts, and scale to 64–128 GB (4–8 DIMMs) for moderate consolidation, ensuring all populated channels have identical capacity and rank to avoid NUMA imbalances and bandwidth penalties under multi-VM workloads.
In-Memory Database
In-memory databases such as Redis or SAP HANA demand high capacity and absolute data integrity. Build configurations starting at 64 GB using four of these dual-rank RDIMMs, and scale to 128 GB or 256 GB by fully populating all memory channels on the platform. Maintain exact module uniformity—same speed, rank x8, and CAS latency—to eliminate performance variability and fully leverage ECC protection for critical datasets.
High-Performance Computing
HPC clusters require maximum sustained bandwidth and error resiliency during long runtimes. Choose a balanced layout where every memory channel on a socket receives one 16 GB registered DIMM, typically yielding 64–128 GB per node. Dual-rank x8 modules improve bank-level parallelism, and the 1.2 V ECC RDIMM design helps contain power per gigabyte while guarding against silent data corruption across thousands of MPI ranks.
Rigorously tested to ensure compatibility with Dell PowerEdge R740/R750, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650 servers.
Q: Can I mix this MTA18ASF2G72PDZ-2G6E1R with other memory modules of different brands or speeds?
A: Mixing different brands or speeds in a registered server environment is not advised. Mismatched RDIMMs can lead to boot failures or silent data corruption. Maintain uniform configurations for assured 24/7 stability.
Q: Is this memory compatible with my system?
A: This DDR4-2666 ECC RDIMM is designed for Intel Xeon Scalable and AMD EPYC platforms accepting 288-pin registered DIMMs. Always verify your server’s qualified vendor list for specific model support.
Q: What is the recommended DIMM population order for optimal performance?
A: Follow your motherboard manual; typically, populate identical DIMMs in balanced channels starting with the slots farthest from the CPU. This optimizes signal integrity and ensures symmetric memory access across all memory controllers.
Q: Does this module support overclocking or XMP profiles?
A: No, this enterprise RDIMM operates strictly at JEDEC standard timings of DDR4-2666 CL19. Overclocking and XMP are not supported, as they compromise the data integrity required for mission-critical server workloads.
Q: What warranty and typical failure rate can I expect?
A: It includes a 1-year warranty. This Micron module delivers robust reliability with an annualized failure rate typically below 0.2% under normal server operating conditions, meeting stringent enterprise demands.