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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 | Unbuffered |
| Column Access Strobe (CAS) | CL19 |
| Rank | Dual Rank x8 |
| Quantity of Pins | 288-pin |
| RAM Genre | UDIMM |
This DDR4-2666 ECC Unbuffered DIMM is purpose-built for workstation and entry-level server platforms that demand data integrity without the overhead of registered logic. Its dual-rank x8 configuration optimizes bandwidth utilization across the 16 GB density, while unbuffered signaling maintains low command latency and on-die ECC corrects single-bit errors for reliability in sustained memory-intensive workloads such as content creation, financial analysis, or light virtualization.
1. ECC protection catches and corrects single-bit errors, preserving data integrity for financial transactions and database operations in always-on server environments.
2. 16 GB capacity per stick allows meaningful memory density in dual-socket nodes, supporting larger VM footprints and container fleets without immediate expansion.
3. 2666 MHz frequency sustains high bandwidth per channel, keeping feed buffers full for multi-core server CPUs during heavy virtualization or in-memory analytics.
4. Dual Rank x8 organization enables rank interleaving that boosts sustained throughput, reducing access bubbles when multiple VMs hit memory simultaneously.
5. Unbuffered ECC architecture delivers lower latency than registered alternatives, making it ideal for cost-conscious single-socket servers and edge deployments that still demand data protection.
Designed specifically for workstations and entry-level servers, this ECC UDIMM immediately reveals its purpose. Its primary strength is error-correcting code, which means single-bit errors caused by background radiation are detected and corrected in real time. For a ZFS-based NAS or a virtualization host running multiple critical VMs, that translates directly into filesystem integrity and prevention of silent data corruption that could crash your entire environment. The unbuffered architecture further serves low-latency needs; without a register chip intervening, the CPU communicates directly with the DRAM, reducing access delays for memory-intensive databases like Redis. Complementing this is the dual-rank x8 organization. Dual rank allows the memory controller to interleave commands, effectively parallelizing data transfers and raising sustained bandwidth. When your rendering workstation or a small VMware cluster is churning through large textures or provisioning containers, this interleaving prevents I/O bottlenecks and keeps all CPU threads fed. Operating at 1.2V with a DDR4-2666 speed and CL19 timings, it delivers that critical balance of reliable throughput and cool, energy-efficient operation under 24/7 load.
General Virtualization
For a virtualization host using a hypervisor like VMware ESXi or Proxmox, populate the server with at least four 16GB DDR4-2666 ECC UDIMMs to achieve 64GB of reliable, error-correcting memory. This configuration comfortably supports 10–15 moderate VMs and utilizes all memory channels on mainstream single-socket platforms. Always install modules in matched sets to maintain balanced memory interleaving and avoid performance penalties.
In-Memory Database
In-memory databases such as Redis or SAP HANA demand both capacity and data integrity, making ECC UDIMMs essential. Deploy eight 16GB modules for a total of 128GB, ensuring the dataset fits entirely in RAM for microsecond response times. Choose a motherboard with full population to maximize bandwidth, and always keep a spare module on hand since ECC can correct single-bit errors but a failed DIMM still requires immediate replacement.
High-Performance Computing (HPC)
HPC workloads like computational fluid dynamics benefit from high memory bandwidth and reliability under sustained load. Use six to eight 16GB ECC UDIMMs (96–128GB) to feed multiple CPU cores without throttling, and configure the memory in the maximum supported channel configuration. Dual-rank x8 modules can provide slightly better bandwidth than single-rank parts, aiding vectorized calculations while ECC guards against silent data corruption during long-running simulation runs.
Rigorously tested server memory, compatible with Dell PowerEdge T340, HPE ProLiant ML30 Gen10, Lenovo ST250.
Q: Can I mix this MTA18ADF2G72AZ-2G6E1ZI with other memory modules of different brands or speeds?
A: Mixing is not recommended. ECC UDIMM requires identical modules for stable operation. Disparate brands or speeds may downclock to the slowest common speed and risk data integrity, which is critical in server environments.
Q: Is this memory compatible with my system?
A: This ECC UDIMM suits Intel Xeon E-2100/E-2200 and select AMD AM4 platforms with ECC support. Consult your server or workstation motherboard’s QVL to confirm compatibility with this exact Micron part number.
Q: What is the recommended DIMM population order for optimal performance?
A: Follow the server motherboard manual. Generally, populate one DIMM per channel first, starting with the slot farthest from the CPU. Use matched ECC UDIMMs in validated configurations to maintain dual-channel performance and data reliability.
Q: Does this module support overclocking or XMP profiles?
A: No. This JEDEC-standard DDR4-2666 ECC UDIMM runs at a fixed 1.2V and CL19. It lacks XMP profiles and is not designed for overclocking, as server workloads demand absolute stability and error correction over speed.
Q: What warranty and typical failure rate can I expect?
A: It includes a one-year warranty. Micron’s ECC UDIMMs exhibit an extremely low annualized failure rate, typically below 0.5% under specified conditions, ensuring dependable operation for always-on server applications.