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| Product Type | Memory Module |
|---|---|
| Memory Capacity | 16 GB |
| Memory Technology | DDR4 |
| Product Voltage | 1.2V |
| RAM Speed | 2666MHz |
| 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 Micron 16GB DDR4-2666 RDIMM is engineered for server platforms, delivering strong data integrity and reliability in virtualized environments, in-memory databases, and enterprise workloads through its registered ECC architecture and dual-rank x8 design. The CL19 latency and 1.2V operating voltage ensure stable, efficient memory throughput on systems with high-density memory configurations, while the 288-pin RDIMM form factor guarantees compatibility with mainstream dual-socket server boards.
1. ECC protection ensures end-to-end data integrity, essential for preventing silent memory corruption in financial transactions and database operations.
2. Registered signal buffering stabilizes high-capacity memory configurations, allowing dense server deployments to scale without compromising command bus reliability.
3. 16GB capacity per module provides headroom for demanding hypervisor workloads, enabling more virtual machines per server without costly near-term upgrades.
4. 2666MHz transfer speed delivers solid throughput for memory-bound analytics, balancing bandwidth and power consumption in always-on infrastructure.
5. Dual Rank x8 organization boosts interleaved access efficiency, sustaining responsive data flows under heavy concurrent user loads typical of virtualized environments.
Based on the RDIMM genre, ECC, and Registered signal type, this MTA18ASF2G72PDZ-2G6E1RI is definitively a server-grade memory module, engineered for mission-critical enterprise environments where downtime is not an option. In a dense virtualization cluster running multiple VMs, the Registered signal buffer stabilizes high-capacity configurations by reducing the electrical load on the memory controller, allowing you to populate all channels without unexpected crashes during peak loads. The ECC function directly safeguards your transactional database or in-memory analytics platform by detecting and correcting single-bit errors in real time, preventing silent data corruption that could otherwise cascade into inaccurate financial reports or failed customer transactions. Meanwhile, the dual-rank x8 organization leverages rank interleaving to boost bandwidth efficiency, meaning that memory-intensive tasks like real-time caching in a Redis deployment experience lower latency and higher IOPS. Operating at 1.2V, it also optimizes the thermal profile of your rack, reducing power consumption across a fleet of dozens of servers. This isn't just memory; it is a guarantee of data integrity and uninterrupted service continuity.
General Virtualization
Populate all memory channels symmetrically with identical 16GB RDIMMs to maximize bandwidth and NUMA balance. Start with 128GB (eight modules) for moderate VM densities; scale to 256GB or higher by filling additional slots per CPU. Stick to 2666MHz ECC registered modules, and add capacity only in matching sets to keep channel interleaving optimal.
In-Memory Database
For large in-memory datasets, maximize capacity with 16GB RDIMMs. Equip dual-socket servers with all DIMM slots populated — typically 24 modules for 384GB — but mind the ranks-per-channel limit. Use identical part numbers to prevent errors, and confirm platform dual-rank support at full speed.
High-Performance Computing
In HPC clusters, balance memory across CPU memory controllers using one 16GB RDIMM per channel to maintain peak bandwidth. A dual-socket node with eight channels per processor delivers 128GB of reliable, low-latency memory; use identical dual-rank x8 modules to avoid rank imbalance. Keep all nodes identically configured with 2666MHz speed for predictable parallel performance.
This rigorously tested server memory is compatible with Dell PowerEdge R740, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650, and similar systems.
Q: Can I mix this MTA18ASF2G72PDZ-2G6E1RI with other memory modules of different brands or speeds?
A: Mixing RDIMMs of different brands or speeds is strongly discouraged. Even minor variances can compromise signal integrity and ECC functionality, leading to instability. For guaranteed reliability, populate identical Micron-certified modules consistently across all channels.
Q: Is this memory compatible with my Intel Xeon Scalable or AMD EPYC server?
A: This module supports mainstream Intel Xeon Scalable (Skylake-SP onward) and AMD EPYC 7001/7002 series platforms requiring DDR4-2666 ECC RDIMMs. Always verify against your server board's qualified vendor list (QVL) to ensure full compatibility and validated performance.
Q: What is the recommended DIMM population order for optimal performance?
A: For optimal performance and interleaving, install identical dual-rank RDIMMs first in the furthest slot of each memory channel per CPU. Refer to your server motherboard manual for the exact slot numbering; typically, populate blue slots first in a balanced multi-channel configuration.
Q: Does this module support overclocking or XMP profiles?
A: No. This is a JEDEC-compliant DDR4-2666 ECC RDIMM engineered for 24/7 data integrity, not overclocking. It does not include XMP profiles, prioritizing rock-solid stability and error correction over performance tuning typical of server environments.
Q: What warranty and typical failure rate can I expect?
A: It carries a 1-year limited warranty. While exact AFR figures are proprietary, Micron server-grade RDIMMs typically exhibit an annualized failure rate well below 0.5% under normal operating conditions, ensuring exceptionally high mission-critical reliability.