| 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 | Single Rank x4 |
| Quantity of Pins | 288-pin |
| RAM Genre | RDIMM |
This Micron 16GB DDR4-2666 RDIMM is engineered for server platforms, delivering strong performance for virtualization and in-memory databases where data integrity is critical. Its Registered signal type enhances command/address bus stability under heavy loading, while Single Rank x4 organization with ECC delivers lower access latency and robust protection against single-bit errors in dense, multi-DIMM configurations.
1. ECC memory safeguards every bit of data in transit, correcting single-bit errors automatically to prevent silent data corruption in mission-critical enterprise workloads.
2. Registered signal buffering decouples the memory bus from the DRAM load, enabling denser population across all channels for maximum virtualization capacity without sacrificing signal integrity.
3. A capacity of sixteen gigabytes per module strikes the sweet spot for dense server deployments, allowing high total RAM footprints to support large in-memory databases and numerous containers simultaneously.
4. DDR4-2666 speed delivers ample per-channel bandwidth, accelerating real-time analytics and transactional processing while keeping power consumption within tight data-center thermal envelopes.
5. Single Rank x4 organization leverages x4 DRAM devices to optimize bank-level parallelism and thermal distribution, ensuring consistent latency even when all memory channels are fully populated.
As a server-grade RDIMM engineered for demanding data center environments, the MTA18ASF2G72PZ-2G6D2 embodies four critical attributes that directly translate into business resilience and performance. Its ECC technology proactively detects and corrects single-bit memory errors, preventing silent data corruption that could otherwise cause financial ledger discrepancies or destabilize virtual machines. The registered signal buffering enables you to populate all memory channels without compromising signal integrity, which is vital when scaling VMware ESXi clusters or running in-memory databases like SAP HANA where terabytes of working set must remain error-free and accessible simultaneously. Operating at DDR4-2666 with a single-rank x4 organization, this module delivers a robust 21.3 GB/s bandwidth while minimizing load on the memory bus, so your Redis instances and real-time analytics feed data to users with consistently low latency even under peak query volumes. Meanwhile, the 1.2V low-voltage operation reduces power draw across dense server farms, directly lowering electricity and cooling costs in hyperscale deployments. This module transforms raw specifications into tangible uptime, speed, and efficiency gains for virtualized workloads and mission-critical data processing.
General Virtualization
For a balanced virtualization host, 16 GB RDIMMs are ideal building blocks. Populate six or eight identical modules across the memory channels (e.g., 6×16 GB = 96 GB or 8×16 GB = 128 GB) to maximize interleaving and deliver ample capacity for dozens of general-purpose VMs without overcommitting. Stick to symmetrical channel population to avoid NUMA penalties and ensure predictable performance under mixed workloads.
In-Memory Database
In-memory databases like Redis or SAP HANA demand sheer capacity and data integrity. Use the maximum number of these 16 GB registered ECC modules your server supports—aim for 256 GB or higher across all memory channels (e.g., 16×16 GB). Populate all channels identically to sustain high bandwidth and low latency under heavy read/write loads, and rely on ECC to prevent silent data corruption in mission-critical datasets.
HPC
For high-performance computing, prioritize memory bandwidth to feed multi-core processors. Install one or two 16 GB RDIMMs per channel (e.g., 12×16 GB in a dual-socket six-channel system) to populate all channels equally. This configuration maximizes memory throughput for simulation and modeling codes, and the single-rank x4 organization helps maintain high clock speeds even with fully populated DIMM slots.
Rigorously tested server memory compatible with Dell PowerEdge R750, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650, and similar platforms.
Q: Can I mix this MTA18ASF2G72PZ-2G6D2 with other memory modules of different brands or speeds?
A: Mixing RDIMMs of different brands or speeds is not recommended. It may cause signal integrity issues or system instability. For reliable operation, use identical modules with the same part number and speed grade.
Q: Is this memory compatible with my system? I'm using a server based on Intel Xeon Scalable processors.
A: This 16GB DDR4-2666 ECC Registered RDIMM is compatible with Intel Xeon Scalable and AMD EPYC platforms that support 288-pin RDIMMs. Please verify your server's qualified vendor list (QVL) for this specific part number.
Q: What is the recommended DIMM population order for optimal performance with this module?
A: Populate identical RDIMMs per memory channel according to your server board's manual. Typically, fill the white slots first within each channel to balance interleaving and maintain optimal throughput and ECC functionality.
Q: Does this module support overclocking or XMP profiles?
A: No, this is a JEDEC-compliant registered server DIMM. It does not support overclocking or XMP profiles. It operates at its rated speed of 2666MHz with fixed timings for maximum stability and data integrity.
Q: What warranty and typical failure rate can I expect for this memory?
A: This module includes a one-year warranty. Annualized failure rate (AFR) for enterprise-grade DDR4 RDIMMs is typically well below 0.5%, ensuring high reliability for 24/7 data center environments.